# A171851 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 1 4 4 5 14 6 46 7 140 8 412 9 1186 10 3354 11 9368 12 25920 13 71182 14 194322 15 527927 16 1428530 17 3852594 18 10360700 19 27795561 20 74414408 21 198862280 22 530590812 23 1413712094 24 3762056094 25 10000260036 26 26556402534 27 70459947925 28 186796151768