

A263881


Numbers k such that k! is a "compact factorial", i.e., k! is in A169661.


1




OFFSET

1,2


COMMENTS

Sequence linked to A050376.


LINKS

Table of n, a(n) for n=1..7.
T. M. Apostol, Review of "Compact integers and factorials" by V. Shevelev, zbMATH.
V. Shevelev, Compact integers and factorials, Acta Arith. 126 (2007), no.3, 195236.


FORMULA

a(n)! = A169661(n).


CROSSREFS

Cf. A050376, A054861, A169661.
Sequence in context: A018295 A033495 A006877 * A208892 A085397 A073439
Adjacent sequences: A263878 A263879 A263880 * A263882 A263883 A263884


KEYWORD

nonn,fini,full


AUTHOR

Jonathan Sondow, Nov 17 2015


STATUS

approved



