# A196223 (b-file synthesized from sequence entry) 1 6 2 7 3 15 4 27 5 41 6 55 7 172 8 561 9 1334 10 6571 11 11490 12 429705 13 2173016 14 4417701 15 9063353 16 9531624 17 40411847 18 64538709 19 83537963 20 121316228 21 181504240 22 222586609