# A165364 (b-file synthesized from sequence entry) 0 1 1 22 2 462 3 9702 4 203742 5 4278582 6 89850222 7 1886854662 8 39623947902 9 832102905711 10 17474161015080 11 366957381215040 12 7706105003381400 13 161828205026186160 14 3398392304608621320 15 71366238377013998880