# A019192 (b-file synthesized from sequence entry) 3 0 4 0 5 4 6 8 7 4 8 20 9 68 10 108 11 258 12 704 13 1586 14 3600 15 9474 16 23534 17 57098 18 146818 19 381946 20 979169 21 2546468 22 6725314 23 17734622 24 46896938 25 124860502 26 333177050 27 889946916 28 2383867805 29 6398917298 30 17196251103 31 46285522374