# A076680 (b-file synthesized from sequence entry) 1 0 2 1 3 4 4 7 5 8 6 9 7 13 8 16 9 28 10 54 11 86 12 129 13 190 14 351 15 466 16 697 17 938 18 1510 19 2748 20 2878 21 3396 22 4057 23 4384 24 5534