A268252 Smallest odd prime p such that p divides the generalized left factorial !^(A016813(n)) p.

9632267, 29, 97894723, 17203, 27920293, 61, 14293, 89, 29, 487, 233, 859, 59, 109, 47, 29, 3307, 174978647, 7852751, 229, 61, 104207, 29, 18211

Offset

1,1

Comments

The generalized left factorial !^k t is defined as Sum_{j=0, t-1} (j!)^k or (0!)^k + (1!)^k + ... + ((t-1)!)^k.

Links

Table of n, a(n) for n=1..24.

V. Andrejic and M. Tatarevic, Searching for a counterexample to Kurepa's Conjecture, arXiv:1409.0800 [math.NT], 2014-2015.

Crossrefs

Cf. A258944.

Sequence in context: A186627 A203660 A250518 * A251504 A103936 A147713

Adjacent sequences: A268249 A268250 A268251 * A268253 A268254 A268255

Keyword

nonn,more

Author

Felix Fröhlich, Jan 29 2016

Status

approved