3176920domain: NAppears in sequencesNumber of compositions of n such that the smallest part has multiplicity four.at n=22A241864Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 1 2 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 1 2 4 6 or 7.at n=16A252551