# A124701 (b-file synthesized from sequence entry) 0 1 1 8 2 22 3 50 4 130 5 338 6 904 7 2444 8 6682 9 18410 10 51052 11 142304 12 398380 13 1119308 14 3154558 15 8914010 16 25246282 17 71644298 18 203665054 19 579841286 20 1653025900 21 4718011460 22 13479908926 23 38548802570 24 110327691316 25 315985475588