12379943domain: NAppears in sequencesExpansion of (1+x^2)/(1 - 2*x - 2*x^2 + x^3).at n=17A014742a(n) = Sum_{k=0..floor(n/2)} A026637(n-k, k).at n=34A026647Number of total dominating sets in the n-pan graph.at n=32A302506a(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=33A362388