The On-Line Encyclopedia of Integer Sequences (OEIS)

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Revision History for A054565

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

A054565

Numbers n such that 3 is the first digit of 3^n.
(history; published version)

#20 by Alois P. Heinz at Fri Dec 11 19:23:31 EST 2020

STATUS

editing

approved

#19 by Alois P. Heinz at Fri Dec 11 19:23:00 EST 2020

COMMENTS

Identical to A067496.

STATUS

approved

editing

#18 by Bruno Berselli at Mon Dec 24 08:43:33 EST 2012

STATUS

proposed

approved

#17 by Vincenzo Librandi at Mon Dec 24 05:33:24 EST 2012

STATUS

editing

proposed

#16 by Vincenzo Librandi at Mon Dec 24 05:33:16 EST 2012

LINKS

Vincenzo Librandi, <a href="/A054565/b054565.txt">Table of n, a(n) for n = 1..1000</a>

STATUS

approved

editing

#15 by T. D. Noe at Sun Dec 23 23:57:53 EST 2012

STATUS

editing

approved

#14 by T. D. Noe at Sun Dec 23 23:57:49 EST 2012

COMMENTS

Identical to A067496.

STATUS

reviewed

editing

#13 by Harvey P. Dale at Sun Dec 23 11:59:00 EST 2012

STATUS

proposed

reviewed

Discussion

Sun Dec 23

12:01

Harvey P. Dale: As corrected, this sequence seems identical to A067496.  Even the definitions (Names) are identical and both sequences were submitted by Benoit Cloitre on the same date (Feb 02 2002).

#12 by Harvey P. Dale at Sun Dec 23 11:58:21 EST 2012

STATUS

editing

proposed

#11 by Harvey P. Dale at Sun Dec 23 11:57:28 EST 2012

DATA

1, 18, 20, 22, 41, 43, 62, 64, 66, 83, 85, 87, 106, 108, 110, 127, 129, 131, 150, 152, 171, 173, 1, 75, 175, 194, 196, 215, 217, 219, 236, 238, 240, 259, 261, 263, 280, 282, 284, 303, 305, 324, 326, 328, 347, 349, 368, 370, 372, 389, 391, 393, 412, 414, 416, 433

MATHEMATICA

Select[Range[500], First[IntegerDigits[3^#]]==3&] (* Harvey P. Dale, Dec 23 2012 *)

EXTENSIONS

Corrected by Harvey P. Dale, Dec 23 2012

STATUS

approved

editing

Discussion

Sun Dec 23

11:58

Harvey P. Dale: As corrected, this sequence seems identical to A????.  Even the definition (Name) is identical.