# A366042 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 5 4 14 5 43 6 139 7 465 8 1595 9 5577 10 19805 11 71240 12 259037 13 950590 14 3516110 15 13095440 16 49068051 17 184839543 18 699607625 19 2659276675 20 10147039881 21 38853068780 22 149240187330 23 574913637375 24 2220609902199 25 8598120578442 26 33366877654697 27 129758691426484