# A054080 (b-file synthesized from sequence entry) 0 1 1 3 2 2 3 5 4 4 5 10 6 10 7 23 8 32 9 62 10 100 11 198 12 336 13 642 14 1166 15 2205 16 4081 17 7750 18 14533 19 27658 20 52388 21 99960 22 190558 23 364938 24 698874 25 1342514 26 2580827 27 4971652 28 9586396 29 18514020 30 35790268 31 69275871 32 134215781 33 260305069 34 505286428