# A096236 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 7 5 13 6 24 7 38 8 72 9 122 10 226 11 400 12 684 13 1246 14 2381 15 4384 16 8330 17 15839 18 30617 19 58764 20 113987 21 221994 22 434498 23 852036 24 1673320 25 3296641 26 6509179