100949domain: NAppears in sequencesa(n) = n*(2*n+1)^2.at n=29A084367Numerator of sum of all matrix elements of N X N matrix M(i,j) = i^3+j^3, (i,j = 1..n) divided by n!.at n=57A099904a(n) = (p^3 - p^2)/2, where p = prime(n).at n=16A138416Numbers of the form p^2*q, with odd primes p > q, such that q divides p-1.at n=36A350638