# A178155 (b-file synthesized from sequence entry) 1 1 2 3 3 7 4 17 5 37 6 85 7 189 8 471 9 967 10 2033 11 4493 12 10621 13 23461 14 52841 15 127745 16 340473 17 708489 18 1367785 19 2738841 20 5675977 21 12313209 22 27929825 23 66361381 24 162909213 25 361319381 26 780460693 27 1722272781 28 3904263759 29 9528920767 30 24294326763 31 66213009251 32 187941084483 33 395937137667 34 756194730883 35 1395731222259 36 2540709556499 37 4903320997075 38 9814465115099