# A099752 (b-file synthesized from sequence entry) 0 1 1 2 2 8 3 32 4 119 5 438 6 1483 7 4463 8 12121 9 30047 10 68783 11 147178 12 297234 13 570865 14 1049605 15 1857388 16 3177426 17 5274519 18 8523168 19 13442921 20 20742950 21 31376270 22 46605818 23 68084760 24 97952005 25 138945430 26 194536354 27 269086136 28 368028405 29 498081190 30 667490215 31 886307575