# A203529 (b-file synthesized from sequence entry) 1 1 2 5 3 175 4 44100 5 60913125 6 427756329000 7 20552836095792000 8 6952965728817588480000 9 11895516181976215338950400000 10 99606443887767729350960121600000000 11 5830034964946921746536425070101217280000000