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Revision History for A020642

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A020642

n-th composite is sum of first k composites for some k.
(history; published version)

#10 by Charles R Greathouse IV at Wed Oct 09 14:19:08 EDT 2013

AUTHOR

N. J. A. Sloane, _Henri Lifchitz (100637.64(AT)CompuServe.COM), __, _David W. Wilson_

Discussion

Wed Oct 09

14:19

OEIS Server: https://oeis.org/edit/global/1998

#9 by Russ Cox at Fri Mar 30 18:35:15 EDT 2012

AUTHOR

N. J. A. Sloane, Henri Lifchitz (100637.64(AT)CompuServe.COM), _David W. Wilson (davidwwilson(AT)comcast.net)_

Discussion

Fri Mar 30

18:35

OEIS Server: https://oeis.org/edit/global/202

#8 by Russ Cox at Fri Mar 30 16:46:35 EDT 2012

AUTHOR

_N. J. A. Sloane (njas(AT)research.att.com), _, Henri Lifchitz (100637.64(AT)CompuServe.COM), David W. Wilson (davidwwilson(AT)comcast.net)

Discussion

Fri Mar 30

16:46

OEIS Server: https://oeis.org/edit/global/110

#7 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

KEYWORD

nonn,new

nonn

AUTHOR

N. J. A. Sloane (njas, (AT)research.att.com), Henri Lifchitz (100637.64(AT)CompuServe.COM), David W. Wilson (davidwwilson(AT)comcast.net)

#6 by N. J. A. Sloane at Sat Sep 13 03:00:00 EDT 2003

KEYWORD

nonn,new

nonn

AUTHOR

njas, Henri Lifchitz (100637.64(AT)CompuServe.COM), David W. Wilson (davidwwilson(AT)attbicomcast.comnet)

#5 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003

NAME

nth n-th composite is sum of first k composites for some k.

KEYWORD

nonn,new

nonn

AUTHOR

njas, Henri LIFCHITZ Lifchitz (100637.64@(AT)CompuServe.COM), dwwDavid W. Wilson (davidwwilson(AT)attbi.com)

#4 by N. J. A. Sloane at Mon May 08 03:00:00 EDT 2000

KEYWORD

nonn,new

nonn

AUTHOR

njas, Henri LIFCHITZ (100637.64@CompuServe.COM), wilson@ctron.comdww

#3 by N. J. A. Sloane at Sat Dec 11 03:00:00 EST 1999

NAME

a(n)th nth composite is sum of first k composites for some k.

KEYWORD

nonn,new

nonn

#2 by N. J. A. Sloane at Sun Jun 14 03:00:00 EDT 1998

REFERENCES

KEYWORD

nonn,new

nonn

AUTHOR

njas, Henri LIFCHITZ (100637.64@CompuServe.COM), wilson@dalek.ctron.com

#1 by N. J. A. Sloane at Wed Dec 11 03:00:00 EST 1996

NAME

a(n)th composite is sum of first k composites for some k.

DATA

1, 5, 10, 17, 33, 44, 56, 69, 82, 99, 116, 134, 175, 196, 242, 267, 321, 349, 377, 408, 442, 475, 507, 542, 581, 619, 659, 700, 741, 785, 966, 1015, 1065, 1111, 1167, 1273, 1329, 1383, 1563, 1622, 1687, 1751, 1949, 2017, 2084, 2159, 2231, 2302, 2375, 2449, 2685

OFFSET

1,2

REFERENCES

CROSSREFS

Cf. A013919, A013920, A013921.

KEYWORD

nonn

AUTHOR

njas, Henri LIFCHITZ (100637.64@CompuServe.COM), wilson@dalek.ctron.com

STATUS

approved