# A085749 (b-file synthesized from sequence entry) 1 3 2 5 3 17 4 61 5 317 6 1951 7 13697 8 109597 9 986411 10 9864091 11 108505097 12 1302061337 13 16926797467 14 236975164793 15 3554627472059 16 56874039553189 17 966858672404659 18 17403456103284379 19 330665665962403997 20 6613313319248079991