# A063894 (b-file synthesized from sequence entry) 1 2 2 1 3 2 4 4 5 10 6 25 7 68 8 187 9 532 10 1532 11 4492 12 13308 13 39870 14 120433 15 366656 16 1123504 17 3463050 18 10729234 19 33396202 20 104381385 21 327477814 22 1030903514 23 3255394686 24 10309154738 25 32732315724 26 104177891232 27 332308237666 28 1062192108053