# A150995 (b-file synthesized from sequence entry) 0 1 1 2 2 9 3 38 4 171 5 796 6 3749 7 17905 8 86307 9 418396 10 2039335 11 9978881 12 48974426 13 240998345 14 1188333118 15 5869632445 16 29035136474 17 143800709201 18 712944995081 19 3537872814069 20 17569705426963 21 87313570041560 22 434165782813249 23 2160005578393606 24 10751118587912161 25 53533873989477849 26 266661692159814558