# A349016 (b-file synthesized from sequence entry) 0 1 1 2 2 3 3 12 4 26 5 125 6 317 7 1642 8 4492 9 24188 10 69174 11 381613 12 1123923 13 6304781 14 18962485 15 107682542 16 329007674 17 1885923378 18 5833166568 19 33685017384 20 105214504816 21 611241171298 22 1924588709710 23 11236434464097 24 35617302886643 25 208815253200975 26 665665428686531