133860domain: NAppears in sequencesGeneralized centered polygonal numbers.at n=23A081282Initial values for f(x)=phi(sigma(x)) such that iteration of f ends in cycle of length=11.at n=29A096888a(n) = n*(n+1)*(n^2-2*n+2)/2.at n=23A101375Number of n X 4 binary arrays without the pattern 0 1 diagonally or vertically.at n=36A188838