The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A362871

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

Leading digit of 6^n.
(history; published version)

#34 by Michael De Vlieger at Sat Jul 15 14:02:38 EDT 2023

STATUS

proposed

approved

#33 by Amiram Eldar at Sat Jul 15 11:47:34 EDT 2023

STATUS

editing

proposed

#32 by Amiram Eldar at Sat Jul 15 11:47:32 EDT 2023

MATHEMATICA

a[n_] := IntegerDigits[6^n][[1]]; Array[a, 100, 0] (* Amiram Eldar, Jul 15 2023 *)

STATUS

proposed

editing

#31 by Seiichi Manyama at Sat Jul 15 11:35:16 EDT 2023

STATUS

editing

proposed

#30 by Seiichi Manyama at Sat Jul 15 11:17:25 EDT 2023

FORMULA

a(n) = A000030(A000400(n)).

CROSSREFS

#29 by Seiichi Manyama at Sat Jul 15 11:14:35 EDT 2023

CROSSREFS

#28 by Seiichi Manyama at Sat Jul 15 11:11:14 EDT 2023

CROSSREFS

#27 by Seiichi Manyama at Sat Jul 15 11:10:06 EDT 2023

PROG

(PARI) a(n) = digits(6^n)[1];

#26 by Seiichi Manyama at Sat Jul 15 11:09:21 EDT 2023

CROSSREFS

#25 by Seiichi Manyama at Sat Jul 15 11:06:00 EDT 2023

KEYWORD

nonn,changed,base,easy