# A132865 (b-file synthesized from sequence entry) 0 1 1 5 2 55 3 785 4 12775 5 224945 6 4174135 7 80404385 8 1592666695 9 32238859025 10 663961262935 11 13868665189505 12 293105002282855 13 6256280361209585 14 134676678504352375 15 2920490688138377825 16 63738849200291875975 17 1398964964239496726225 18 30859472167442041607575