61281domain: NAppears in sequencesa(n) = 100*n^2 - 49*n + 6.at n=24A157651Irregular triangle in which row n has the values of k>n such that Sum_{i=n..k} i^2 is a square.at n=39A184763a(n) = number of subsets S of {1,2,...,n} having more than 2 elements such that (sum of least three elements of S) > max(S).at n=19A357289