# A205486 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 5 4 16 5 60 6 259 7 1273 8 7048 9 43241 10 289685 11 2097912 12 16317134 13 135574160 14 1196898329 15 11168544771 16 109647222799 17 1128440311914 18 12139734936953 19 136195813530558 20 1590028534430967 21 19277087785530470 22 242235954813757132 23 3149491477171141810