# A152395 (b-file synthesized from sequence entry) 0 1 1 2 2 10 3 54 4 324 5 2130 6 15102 7 114282 8 915016 9 7701570 10 67785410 11 621241302 12 5907779100 13 58122866490 14 590120962494 15 6169755680850 16 66300171884560 17 731081377197218 18 8260198332989274 19 95504954267579062