# A178441 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 17 4 46 5 119 6 311 7 812 8 2118 9 5530 10 14431 11 37668 12 98313 13 256602 14 669742 15 1748052 16 4562490 17 11908280 18 31081099 19 81122927 20 211734137 21 552634698 22 1442399007 23 3764720003 24 9826072122 25 25646447377