A008564 - OEIS

A008564

Digits of powers of 3.

1, 3, 9, 2, 7, 8, 1, 2, 4, 3, 7, 2, 9, 2, 1, 8, 7, 6, 5, 6, 1, 1, 9, 6, 8, 3, 5, 9, 0, 4, 9, 1, 7, 7, 1, 4, 7, 5, 3, 1, 4, 4, 1, 1, 5, 9, 4, 3, 2, 3, 4, 7, 8, 2, 9, 6, 9, 1, 4, 3, 4, 8, 9, 0, 7, 4, 3, 0, 4, 6, 7, 2, 1, 1, 2, 9, 1, 4, 0, 1, 6, 3, 3, 8, 7, 4, 2, 0, 4, 8, 9, 1, 1, 6, 2, 2, 6, 1, 4, 6, 7, 3

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OFFSET

0,2

COMMENTS

Irregular table with row length sequence A034888. - Jason Kimberley, Nov 26 2012

The constant whose decimal expansion is this sequence is irrational (Mahler, 1981). - Amiram Eldar, Mar 23 2025

LINKS

Muniru A Asiru, Table of n, a(n) for n = 0..5000

Kurt Mahler, On some irrational decimal fractions, Journal of Number Theory, Vol. 13, No. 2 (1981), pp. 268-269.

MATHEMATICA

Flatten[Table[IntegerDigits[3^n], {n, 0, 26}]] (* Alonso del Arte, Sep 29 2018 *)

PROG

(GAP) Flat(List([0..30], n->ListOfDigits(3^n))); # Muniru A Asiru, Sep 29 2018

CROSSREFS

Cf. A000244, A034888.

Cf. A000455, A008565, A008566, A008567, A008568, A008569, A008570, A008571, A008572, A008573, A010054.

Sequence in context: A021722 A293383 A094724 * A348371 A354129 A060956

Adjacent sequences: A008561 A008562 A008563 * A008565 A008566 A008567

KEYWORD

nonn,base,easy,tabf

AUTHOR

N. J. A. Sloane

STATUS

approved