# A034749 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 9 5 19 6 54 7 145 8 458 9 1468 10 4936 11 16885 12 58996 13 208245 14 743422 15 2675088 16 9696297 17 35359267 18 129648938 19 477642881 20 1767274939 21 6564131656 22 24466301616 23 91482592297 24 343059720014 25 1289904222419 26 4861946731090