# A126525 (b-file synthesized from sequence entry) 0 1 1 30 2 250 3 2130 4 18290 5 157782 6 1365186 7 11836674 8 102784246 9 893546734 10 7774696328 11 67691981738 12 589674316476 13 5138751184130 14 44795493135264 15 390582096696514 16 3406186539096420 17 29708773287301186 18 259147729207407892