# A363163 (b-file synthesized from sequence entry) 0 1 1 1 2 5 3 17 4 83 5 394 6 2278 7 13949 8 93898 9 670003 10 5059914 11 40033149 12 330555726 13 2836763749 14 25233047351 15 232080785282 16 2202802051834 17 21539083861802 18 216638327167235 19 2238260395921444 20 23725940481578999