# A047061 (b-file synthesized from sequence entry) 0 1 1 2 2 3 3 5 4 9 5 16 6 30 7 57 8 114 9 200 10 388 11 753 12 1476 13 2867 14 5635 15 11097 16 22194 17 42484 18 84007 19 166048 20 329444 21 650843 22 1291996 23 2566355 24 5132710 25 10061288 26 20013626 27 39798674 28 79284893 29 157593796 30 313994582 31 625776239 32 1251552478 33 2476858624 34 4939307587