A008572 Digits of powers of 12.

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

Offset

0,3

Comments

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

Links

Seiichi Manyama, Rows n = 0..100, flattened

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

Example

Triangle begins:
  1;
  1, 2;
  1, 4, 4;
  1, 7, 2, 8;
  2, 0, 7, 3, 6;
  2, 4, 8, 8, 3, 2;
  2, 9, 8, 5, 9, 8, 4;
  ...

Mathematica

Flatten[IntegerDigits/@(12^Range[0, 15])] (* Harvey P. Dale, Dec 19 2011 *)

Crossrefs

Cf. A001021.

Cf. A000455, A008564, A008565, A008566, A008567, A008568, A008569, A008570, A008571, A008573, A010054.

Sequence in context: A013609 A154558 A220836 * A209150 A209145 A333650

Adjacent sequences: A008569 A008570 A008571 * A008573 A008574 A008575

Keyword

nonn,base,easy,tabf

Author

N. J. A. Sloane

Status

approved