A375992 Expansion of e.g.f. (4 - 3 * exp(x))^(4/3).
1, -4, 0, 16, 112, 976, 11760, 184656, 3566192, 81556176, 2152839920, 64389871696, 2151410517872, 79406805184976, 3208188040810480, 140812644820877136, 6671575179144279152, 339348322285418119376, 18443287953728909235440, 1066619199816333440144976
Offset: 0
Programs
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PARI
a(n) = sum(k=0, n, prod(j=0, k-1, 3*j-4)*stirling(n, k, 2));
Formula
a(n) = Sum_{k=0..n} (Product_{j=0..k-1} (3*j-4)) * Stirling2(n,k).