# A088992 (b-file synthesized from sequence entry) 0 1 1 0 2 5 3 50 4 825 5 17500 6 458125 7 14268750 8 515440625 9 21188375000 10 976671703125 11 49893003906250 12 2797832158515625 13 170863509745312500 14 11287987223748828125 15 802119551344589843750 16 61005565392625400390625 17 4944614795517599218750000