|
%I #7 Dec 28 2023 19:39:52
%S 1,3,21,123,792,5292,42768,348840,3313440,33734880,382423680,
%T 4683303360,62795865600,903908678400,14018003596800,231803919244800,
%U 4081121327001600,76062618390528000,1497060883196928000,31001124301830144000,673857550403702784000
%N Third column (m=3) of triangle A144881 (S1hat(3)).
%F a(n) = A144881(n+3,3), n>=0.
%Y Cf. A144881, A144883 (second column).
%K nonn,easy
%O 0,2
%A _Wolfdieter Lang_, Oct 09 2008
|
