The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #2 Mar 30 2012 18:37:09
%S 1,3,9,43,324,3510,50528,913377,19918602,509040779,14918466255,
%T 493115508126,18143982947900,735340631600946,32542320101428755,
%U 1561227609244084205,80700623119099359600,4470904603875492038790
%N Column 2 of square array A136730.
%Y Cf. A136730; A101482, A136731.
%K nonn
%O 0,2
%A _Paul D. Hanna_, Jan 19 2008