# A065899 (b-file synthesized from sequence entry) 1 1 2 14 3 148 4 1458 5 15293 6 188782 7 2692726 8 40909988 9 660637057 10 11976280879 11 240871231369 12 5080851687840 13 112183659405198 14 2700581280109040 15 67686358108129808 16 1763651979163805444 17 47707175694652299653 18 1337959106215345951164 19 40196133912310028013721 20 1287910861213828031657392