# A274306 (b-file synthesized from sequence entry) 0 1 1 5 2 325 3 105625 4 108265625 5 270772328125 6 1403954521328125 7 13484983177356640625 8 220951449360988556640625 9 5798870788479144669033203125 10 231960630409954265905997158203125 11 13584774319958971582784723570166015625