A086654 Smallest number a[n] > n such that a[n]! contains n! as a substring.

1, 5, 4, 9, 20, 14, 40, 28, 434, 10, 1337, 354, 5370

Offset

0,2

Comments

What is a[13]?

Links

Table of n, a(n) for n=0..12.

Example

a[5]=14 since 14!= 8717829_120_0.

Crossrefs

Sequence in context: A236405 A022344 A046588 * A286461 A152064 A088482

Adjacent sequences: A086651 A086652 A086653 * A086655 A086656 A086657

Keyword

base,hard,nonn

Author

Erich Friedman, Sep 11 2003

Status

approved