# A150646 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 28 4 115 5 500 6 2222 7 10067 8 46210 9 214561 10 1005078 11 4737301 12 22463677 13 107029474 14 511992191 15 2457370516 16 11830812439 17 57106820758 18 276269824537 19 1339241424340 20 6503928190006 21 31636482948413 22 154107605564757 23 751681548781630 24 3670810368631306 25 17945609466718551 26 87818303399821312