286905domain: NAppears in sequencesDiagonal sums of a Delannoy related triangle.at n=8A113140a(0) = 1; if a(n) is even, a(n + 1) = 5a(n)/2; if a(n) is odd, a(n + 1) is 5a(n)/2 rounded to the nearest even integer.at n=14A140832