# A103256 (b-file synthesized from sequence entry) 1 2 2 9 3 18 4 28 5 32 6 65 7 70 8 84 9 105 10 126 11 144 12 162 13 211 14 217 15 260 16 266 17 273 18 288 19 344 20 364 21 386 22 417 23 448 24 455 25 456 26 469