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%I #7 Jul 04 2023 08:18:10
%S 1,6,52,600,8680,151200,3082240,71998080,1896294400,55601145600,
%T 1796277683200,63397990656000,2427084884224000,100175046107136000,
%U 4434284662872064000,209554432423784448000,10530302071553904640000,560682451860226375680000
%N Second column (m=2) of triangle S2p(-2) = A004747.
%F a(n) = A004747(n+2,2), n>=0.
%Y Cf. A004747, A008544(n-1) (m=1 column), A144346 (m=3 column).
%K nonn,easy
%O 0,2
%A _Wolfdieter Lang_, Oct 09 2008
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