# A148602 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 6 4 20 5 58 6 193 7 632 8 2283 9 8009 10 29503 11 109608 12 417840 13 1593676 14 6201714 15 24352821 16 96549718 17 384965234 18 1551154581 19 6289703937 20 25643105136 21 105131398752 22 433780213485 23 1797589931543 24 7479489370556 25 31262568274435 26 131224989229643 27 552593121507505 28 2334726454418711