# A343668 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 5 4 15 5 52 6 203 7 877 8 4139 9 21138 10 115885 11 677745 12 4206172 13 27577513 14 190289713 15 1377315050 16 10426866782 17 82350895629 18 677003941219 19 5781485704892 20 51193839084907 21 469251258854001 22 4445769329586348 23 43475305461354931 24 438270620701587657 25 4549243731200717053