# A140228 (b-file synthesized from sequence entry) 0 1 1 6 2 21 3 56 4 126 5 252 6 463 7 798 8 1308 9 2058 10 3129 11 4620 12 6650 13 9360 14 12915 15 17506 16 23352 17 30702 18 39837 19 51072 20 64758 21 81284 22 101079 23 124614 24 152404 25 185010 26 223041 27 267156 28 318066 29 376536 30 443387