# A150408 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 24 4 94 5 365 6 1522 7 6317 8 27305 9 117730 10 521284 11 2305176 12 10382686 13 46739971 14 213238207 15 972787925 16 4482614090 17 20660903549 18 95970758823 19 445977751724 20 2085227368751 21 9754995754038 22 45861516294520 23 215740410214838 24 1018995605536144 25 4816034636508802 26 22838382322351173 27 108373516882028634