A145359 - OEIS

%I #8 Jul 04 2023 13:49:22

%S 1,6,78,588,6804,62496,753984,8273664,109118016,1408700160,

%T 20697223680,309818234880,5100265336320,87215844925440,

%U 1605019401216000,30898776106598400,631358784683827200,13503510009903513600,303781522335363072000,7137966147222822912000

%N Second column (m=2) of triangle A145357 (S1hat(6)).

%F a(n) = A145357(n+2,2), n>=0.

%Y Cf. A145357, A001725 (first column), A145360 (third column).

%K nonn,easy

%O 1,2

%A _Wolfdieter Lang_, Oct 17 2008

%E Changed offset from 0 to 1 by _Wolfdieter Lang_, Nov 17 2008