# A076681 (b-file synthesized from sequence entry) 1 2 2 3 3 5 4 10 5 11 6 12 7 17 8 34 9 74 10 136 11 155 12 259 13 271 14 290 15 352 16 479 17 494 18 677 19 776 20 862 21 921 22 932 23 2211 24 3927 25 4688