# A054176 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 2 4 3 5 7 6 12 7 22 8 42 9 78 10 141 11 264 12 494 13 936 14 1778 15 3397 16 6511 17 12523 18 24149 19 46713 20 90531 21 175865 22 342166 23 666693 24 1300774 25 2541095 26 4969243 27 9727574 28 19059405 29 37374922 30 73346919 31 144042828 32 283064512 33 556601031 34 1095087423