40682domain: NAppears in sequencesa(n) = Sum_{i=0..n} digsum(i)^4, where digsum(i) = A007953(i).at n=20A231689Number of nX5 0..1 arrays with every element unequal to 0, 2, 3 or 5 king-move adjacent elements, with upper left element zero.at n=11A304007