# A012176 (b-file synthesized from sequence entry) 0 1 1 5 2 129 3 7965 4 910785 5 168520725 6 46302986625 7 17780913886125 8 9118678334858625 9 6027946461936745125 10 4993688347647511370625 11 5067155718588449670088125 12 6180682927872411162068450625