26957domain: NAppears in sequencesGeneralized Fibonacci numbers A_{n,3}.at n=35A006208Number of (n+1) X 7 binary arrays with every 2 X 2 subblock commuting with each of its horizontal and vertical 2 X 2 subblock neighbors.at n=12A186459Expansion of Product_{k>=1} (1 + x^k)^(sigma_7(k)).at n=4A301551