47105domain: NAppears in sequencesa(n) = 46*n^2 + 1.at n=32A158632G.f. 1/(1-sum(n=1,N,x^(n*(3*n-1)/2))).at n=39A181324Number of permutations of [n] avoiding {2143, 3412, 1234}.at n=16A294709