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A000866 2^n written in base 5. 4
1, 2, 4, 13, 31, 112, 224, 1003, 2011, 4022, 13044, 31143, 112341, 230232, 1011014, 2022033, 4044121, 13143242, 31342034, 113234123, 232023301, 1014102102, 2033204204, 4121413413, 13243332331, 32042220212, 114134440424, 233324431403, 1022204413311 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

T. D. Noe, Table of n, a(n) for n = 0..300

MATHEMATICA

Table[FromDigits[IntegerDigits[2^n, 5]], {n, 0, 30}] (* T. D. Noe, Jun 20 2012 *)

PROG

(PARI) a(n)=fromdigits(digits(2^n, 5)) \\ M. F. Hasler, Jun 23 2018

CROSSREFS

Cf. A000079, A004642, ..., A004655: powers of 2 written in base 10, 3, 4, ..., 16

Cf. A000244, A004656, A004658, A004659, ... : powers of 3 written in base 10, 2, 4, 5, ...

Sequence in context: A148225 A148226 A004644 * A320424 A148227 A148228

Adjacent sequences:  A000863 A000864 A000865 * A000867 A000868 A000869

KEYWORD

nonn,base,easy

AUTHOR

N. J. A. Sloane, Jacques Haubrich (jhaubrich(AT)freeler.nl)

EXTENSIONS

More terms from Erich Friedman.

STATUS

approved

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Last modified June 4 10:43 EDT 2020. Contains 334825 sequences. (Running on oeis4.)