login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

a(n) = A000217(A232097(n)) / n!.
3

%I #4 Dec 05 2013 08:32:23

%S 1,3,1,5,1,35,5,208,8073,36120,1133197,456667,13535367,2592766,

%T 3409144,24103053951,1417826703,486682892638

%N a(n) = A000217(A232097(n)) / n!.

%F a(n) = A000217(A232097(n)) / A000142(n).

%o (Scheme)

%o (define (A232101 n) (/ (A000217 (A232097 n)) (A000142 n)))

%K nonn

%O 1,2

%A _Antti Karttunen_, Nov 25 2013