1,1

Index entries for sequences related to factorial numbers

11!!! + 1 = 11*8*5*2 + 1 = 881 is prime.

Cf. A007661, A037083.

Sequence in context: A087582 A070865 A084697 this_sequence A084573 A155954 A087581

Adjacent sequences: A037079 A037080 A037081 this_sequence A037083 A037084 A037085

nonn

G. L. Honaker, Jr. (honak3r(AT)gmail.com)