112256

Appears in sequences

• a(n) = 2^n*Bell(n). E.g.f.: exp(exp(2*x)-1).at n=7A055882
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f. exp(exp(k*x)-1).at n=52A292913