# A003719 (b-file synthesized from sequence entry) 0 1 1 5 2 41 3 685 4 19921 5 887765 6 56126201 7 4776869245 8 526589630881 9 72989204937125 10 12424192360405961 11 2547879762929443405 12 619570064016825283441 13 176273806836039238900085 14 58010159408189457446855321 15 21864887814006548202566779165