# A108262 (b-file synthesized from sequence entry) 0 3 1 8 2 39 3 220 4 1275 5 7424 6 43263 7 252148 8 1469619 9 8565560 10 49923735 11 290976844 12 1695937323 13 9884647088 14 57611945199 15 335787024100 16 1957110199395 17 11406874172264 18 66484134834183 19 387497934832828 20 2258503474162779 21 13163522910143840 22 76722633986700255