130389domain: NAppears in sequencesNumbers n such that s=n^2 gives prime quadruples (30s+11, 30s+13, 30s+17, 30s+19).at n=25A087772Number of distinct values of Sum_{i=0..n} x(i)*binomial(n,i), where the x(i) have values in 0..4.at n=15A205539