# A054171 (b-file synthesized from sequence entry) 0 0 1 0 2 1 3 2 4 4 5 7 6 12 7 23 8 41 9 77 10 142 11 270 12 504 13 958 14 1834 15 3505 16 6752 17 13016 18 25170 19 48775 20 94718 21 184210 22 358805 23 699919 24 1366853 25 2672452 26 5230345 27 10245791 28 20088113 29 39415538 30 77394348 31 152067981 32 298975703 33 588143637 34 1157617442