# A065526 (b-file synthesized from sequence entry) 0 4 1 20 2 159 3 1581 4 16558 5 177149 6 1914605 7 20805629 8 226837179 9 2478392741 10 27117710875 11 297017215757 12 3255654522710 13 35706184176828 14 391779075776400 15 4300227701910871 16 47213296523342317 17 518486398180399368 18 5694994070817964255 19 62563136744290538933