login
Third column (m=3) of triangle A144351.
1

%I #6 Jul 04 2023 13:06:13

%S 1,1,3,9,36,166,968,6372,49368,429240,4198176,45268416,535590144,

%T 6879038400,95412176640,1419918128640,22571960048640,381596438638080,

%U 6836248502784000,129352329079142400,2577689266340966400,53957785094515814400,1183674698660605132800

%N Third column (m=3) of triangle A144351.

%F a(n) = A144351(n+3,3), n>=0.

%Y Cf. A144351, A000142 (column m=1). Column m=2 looks like A024419.

%K nonn,easy

%O 0,3

%A _Wolfdieter Lang_, Oct 09 2008