# A287830 (b-file synthesized from sequence entry) 0 1 1 10 2 94 3 886 4 8350 5 78694 6 741646 7 6989590 8 65872894 9 620814406 10 5850821230 11 55140648694 12 519669123166 13 4897584703270 14 46156938822094 15 435002788211926 16 4099652849195710 17 38636886795609094 18 364130592557264686 19 3431722880197818550 20 32342028292009425694