# A115681 (b-file synthesized from sequence entry) 1 4 2 6 3 9 4 21 5 121 6 253 7 407 8 451 9 559 10 583 11 667 12 671 13 803 14 869 15 2173 16 2537 17 5063 18 5183 19 5893 20 10201 21 13231 22 15251 23 16171 24 18281 25 19291 26 22523 27 22733 28 24743 29 25283 30 26563 31 27383 32 28583 33 28783 34 31613 35 35653 36 37673 37 38683 38 40567 39 45349 40 46217