188462domain: NAppears in sequencesNumber of peaks at even level in all Dyck paths of semilength n that have no ascents and no descents of length 1.at n=17A167639G.f. satisfies: A(x) = Sum_{n>=0} x^n*A(x)^(5*n^2).at n=6A191803Number of (w,x,y,z) with all terms in {0,...,n} and |w-x|<|x-y|<|y-z|.at n=32A212902