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Revision History for A116626

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A116626

a(1)=1; a(odd n) = a(n-1) XOR a(n-2), for a(even n) we find the first i > 1 such that neither i nor (i XOR A116626(n-1)) is present in A116626(1..n-1), in which case a(n) = (i XOR A116626(n-1)).
(history; published version)

#11 by Alois P. Heinz at Thu Dec 14 15:39:16 EST 2023

STATUS

proposed

approved

#10 by Robert C. Lyons at Thu Dec 14 13:31:27 EST 2023

STATUS

editing

proposed

#9 by Robert C. Lyons at Thu Dec 14 13:31:25 EST 2023

PROG

(MIT /GNU Scheme:)

STATUS

approved

editing

#8 by Russ Cox at Sat Mar 31 13:21:10 EDT 2012

AUTHOR

Paul D. Hanna and _Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), _, Feb 21 2006

Discussion

Sat Mar 31

13:21

OEIS Server: https://oeis.org/edit/global/881

#7 by Russ Cox at Fri Mar 30 18:36:55 EDT 2012

AUTHOR

_Paul D. Hanna (pauldhanna(AT)juno.com) _ and Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), Feb 21 2006

Discussion

Fri Mar 30

18:36

OEIS Server: https://oeis.org/edit/global/213

#6 by Russ Cox at Sun Jul 10 18:40:08 EDT 2011

LINKS

<a href="/Sindx_index/Per.html#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>

Discussion

Sun Jul 10

18:40

OEIS Server: https://oeis.org/edit/global/66

#5 by N. J. A. Sloane at Thu Nov 11 07:34:06 EST 2010

LINKS

<a href="/Sindx_Per.html#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>

KEYWORD

nonn,new

nonn

#4 by N. J. A. Sloane at Tue Jun 01 03:00:00 EDT 2010

CROSSREFS

Cf. a(2n) = a(2n-1) XOR a(2n+1), a(2n+1) = A116624(n+1). Inverse: A116627. Bisections: A116624, A116625. C.fCf. A116648.

KEYWORD

nonn,new

nonn

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

LINKS

<a href="http://www.research.att.com/~njas/sequences/Sindx_Per.html#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>

KEYWORD

nonn,new

nonn

#2 by N. J. A. Sloane at Sat Nov 10 03:00:00 EST 2007

KEYWORD

nonn,new

nonn

AUTHOR

Paul D . Hanna (pauldhanna(AT)juno.com) and Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), Feb 21 2006