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

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• base
• easy
• tabf

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.

Crossrefs

Cf. A000244, A034888.

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

Programs

GAP

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

Mathematica

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