# A149090 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 7 4 34 5 73 6 349 7 817 8 4042 9 10069 10 49507 11 127873 12 636262 13 1693573 14 8402032 15 22820875 16 113817454 17 314673517 18 1566987739 19 4389038017 20 21914474266 21 62104354621 22 309818244166 23 886054108339 24 4426647223768 25 12765629703193 26 63743452057729 27 185072828494417 28 924906132097252 29 2702137210824097