# A338674 (b-file synthesized from sequence entry) 0 1 1 1 2 6 3 31 4 181 5 931 6 5431 7 27931 8 159806 9 834806 10 4697306 11 24478556 12 137931681 13 717306681 14 3989650431 15 20958791056 16 115494337931 17 604881056681 18 3333662306681 19 17439531447306 20 95396181837931 21 501716543166056 22 2725636758009806 23 14311071572462931 24 77793648720900431