# A116574 (b-file synthesized from sequence entry) 0 0 1 1 2 10 3 1 4 49 5 225 6 36 7 730 8 4097 9 2025 10 4761 11 48401 12 46225 13 13456 14 432965 15 703922 16 1 17 3066002 18 8185321 19 1134225 20 16974401 21 78145601 22 35545444 23 67043345 24 632572802