# A075187 (b-file synthesized from sequence entry) 0 30 1 1089 2 29531 3 723680 4 17084650 5 400186050 6 9447948510 7 226861274640 8 5570383618800 9 140328075888000 10 3634144257744000 11 96862561213017600 12 2658662147043302400 13 75165608074100544000 14 2188816503237524160000