%I #6 Jul 04 2023 08:18:14
%S 1,12,160,2520,46480,987840,23826880,643843200,19280060800,
%T 634002969600,22718375680000,881259515136000,36796205974528000,
%U 1645615697037312000,78486991029551104000,3976930001842237440000,213353732165508014080000,12081783988797659136000000
%N Third column (m=3) of triangle S2p(-2) = A004747.
%F a(n) = A004747(n+3,3), n>=0.
%Y Cf. A004747, A144345 (m=2 column).
%K nonn,easy
%O 0,2
%A _Wolfdieter Lang_, Oct 09 2008