475457domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of (w,x,y,z) with all terms in {1,...,n} and w >= |x-y| + |y-z|.at n=33A212675G.f. A(x) satisfies: Sum_{n>=0} x^n * A(x)^(n^2) = 1/Sum_{n>=0} (-1)^n * x^n * A(x)^(n*(n+1)).at n=7A383558Prime numbersat n=39657