A162187 a(0)=4 and a(n+1)=a(n)!

4, 24, 620448401733239439360000

Offset

0,1

Comments

Initializing at 0, 1 or 2 gives constant sequences (except for the first term when initializing at 0).

Initializing at 3 gives 3,6,720,720!,...

Links

Table of n, a(n) for n=0..2.

Crossrefs

Cf. A000142 (factorials).

Sequence in context: A077092 A092435 A058230 * A103644 A185070 A272680

Adjacent sequences: A162184 A162185 A162186 * A162188 A162189 A162190

Keyword

bref,nonn

Author

Benoit Jubin, Jun 27 2009

Status

approved