# A074512 (b-file synthesized from sequence entry) 0 3 1 11 2 53 3 281 4 1553 5 8801 6 50753 7 296321 8 1745153 9 10339841 10 61514753 11 366991361 12 2193559553 13 13127802881 14 78632599553 15 471258726401 16 2825404874753 17 16943839313921 18 101628676145153 19 609634617917441