# A107256 (b-file synthesized from sequence entry) 1 1 2 1 3 603 4 3907 5 15373 6 46341 7 117271 8 261703 9 530937 10 999433 11 1770931 12 2985291 13 4826053 14 7528717 15 11389743 16 16776271 17 24136561 18 34011153 19 47044747 20 63998803 21 85764861 22 113378581 23 148034503 24 191101527 25 244139113 26 308914201 27 387418851