# A105807 (b-file synthesized from sequence entry) 1 0 2 1 3 2 4 4 5 7 6 12 7 18 8 29 9 42 10 61 11 87 12 125 13 172 14 235 15 320 16 437 17 580 18 759 19 1002 20 1329 21 1718 22 2191 23 2784 24 3624 25 4633