# A150770 (b-file synthesized from sequence entry) 0 1 1 2 2 8 3 30 4 128 5 551 6 2450 7 11032 8 50478 9 232937 10 1085177 11 5086575 12 23984271 13 113611413 14 540413923 15 2579476276 16 12350731189 17 59294369466 18 285353149406 19 1376172818179 20 6649649064765 21 32186279252284 22 156035943399738 23 757519998218711 24 3682389598680916 25 17921784874501360 26 87319248714390897