# A005202 (b-file synthesized from sequence entry) 1 0 2 1 3 0 4 1 5 1 6 4 7 6 8 14 9 28 10 60 11 125 12 263 13 558 14 1181 15 2513 16 5339 17 11392 18 24290 19 51926 20 111017 21 237757 22 509404 23 1092713 24 2345256 25 5038015 26 10828720 27 23291759 28 50126055 29 107939753 30 232550011 31 501270200 32 1080996244 33 2332221316 34 5033764628 35 10868950676 36 23476998980 37 50728408182 38 109649040738 39 237081174662 40 512767906801 41 1109354495908