4728718domain: NAppears in sequencesExpansion of (1+x^2)/(1 - 2*x - 2*x^2 + x^3).at n=16A014742Number of total dominating sets in the n-pan graph.at n=30A302506a(n) = A000045(n)*A000045(n+1) mod A000032(n).at n=33A357553a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 1, a(1) = 2, a(2) = 5, a(3) = 7.at n=31A362388