124417domain: NAppears in sequencesa(n) = a(n-1) + a(n-3) + a(n-4), n >= 4, with initial terms 2,5,4,7.at n=23A111570Number of (1+1) X (n+1) arrays of permutations of 0..n*2+1 with each element having directed index change 1,0 0,-1 1,2 or -1,1.at n=42A264584Number of partitions of n^5 into at most two parts.at n=12A274325