# A046242 (b-file synthesized from sequence entry) 0 0 1 1 2 8 3 1000 4 54872 5 551368 6 753571 7 389017000 8 282558696328 9 293151929707 10 205901592625000 11 150095482587202888 12 150714005985636211 13 109419057761904073000 14 79766448635933205559048 15 79802927193348078816187