# A298690 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 10 4 83 5 971 6 14679 7 271065 8 5887674 9 146573343 10 4106195739 11 127709962780 12 4364136955874 13 162503129082497 14 6548680061635319 15 283973223632787150 16 13185195626147207058 17 652695122347799336199 18 34316223642036784123819 19 1909798106976656110119169 20 112165977515060359849066878 21 6933265352057611483132200642