70467domain: NAppears in sequencesFibonacci sequence beginning 3, 15.at n=19A022381Number of nondecreasing -2..2 vectors of length n whose dot product with some lexicographically greater or equal nondecreasing -2..2 vector equals n.at n=33A226416G.f. A(x) satisfies A(x) = 1 + x^4*(1+x)^3*A(x)^4.at n=20A366595