# A027557 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 8 4 14 5 26 6 44 7 78 8 130 9 224 10 370 11 626 12 1028 13 1718 14 2810 15 4656 16 7594 17 12506 18 20356 19 33374 20 54242 21 88640 22 143906 23 234594 24 380548 25 619238 26 1003882 27 1631312 28 2643386 29 4291082 30 6950852 31 11274702 32 18258322 33 29598560