# A003788 (b-file synthesized from sequence entry) 0 1 1 60 2 60480 3 987033600 4 258492255436800 5 1083930404878024704000 6 72736898347485916060188672000 7 78099458182389588115529148326215680000 8 1341733356588640095264385107865053233298800640000