1161936domain: NAppears in sequencesExpansion of series related to Liouville's Last Theorem: g.f. Sum_{t>=1} (-1)^(t+1) *x^(t*(t+1)/2) / ( (1-x^t)^7 * Product_{i=1..t} (1-x^i) ).at n=22A059824Number of permutations of 1..n with displacements restricted to {-5,-4,-3,-1,0,2}.at n=20A189587