A145595 a(n) = 10^n!.

10, 10, 100, 1000000, 1000000000000000000000000

Offset

0,1

Links

Amiram Eldar, Table of n, a(n) for n = 0..6

Greg Martin, Absolutely abnormal numbers, The American Mathematical Monthly, Vol. 108, No. 8 (2001), pp. 746-754; arXiv preprint, arXiv:math/0006089 [math.NT], 2000.

Formula

From Amiram Eldar, Jul 04 2025: (Start)

a(n) = A011557(A000142(n)) = A011557(n!).

Sum_{n>=1} 1/a(n) = A012245 (Liouville's constant). (End)

Mathematica

10^Range[0, 5]! (* Harvey P. Dale, Dec 26 2024 *)

Prog

(PARI) a(n) = 10^n!; \\ Amiram Eldar, Jul 04 2025

Crossrefs

Cf. A000142, A011557, A012245.

Sequence in context: A287743 A287907 A004286 * A287742 A288494 A288764

Adjacent sequences: A145592 A145593 A145594 * A145596 A145597 A145598

Keyword

easy,nonn

Author

Ctibor O. Zizka, Oct 14 2008

Status

approved