# A177874 (b-file synthesized from sequence entry) 0 1 1 2 2 3 3 5 4 10 5 19 6 37 7 74 8 147 9 293 10 586 11 1172 12 2343 13 4686 14 9371 15 18742 16 37484 17 74967 18 149933 19 299866 20 599731 21 1199461 22 2398922 23 4797844 24 9595688 25 19191376 26 38382751 27 76765501 28 153531001 29 307062002 30 614124003 31 1228248006 32 2456496012