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A050039
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a(n) = a(n-1)+a(m), where m=2n-2-2^(p+1) and 2^p<n-1<=2^(p+1), for n >= 4.
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11
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1, 1, 4, 5, 10, 11, 16, 27, 54, 55, 60, 71, 98, 153, 224, 377, 754, 755, 760, 771, 798, 853, 924, 1077, 1454, 2209, 2980, 3833, 4910, 7119, 10952, 18071, 36142, 36143, 36148, 36159, 36186, 36241, 36312, 36465, 36842, 37597, 38368
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graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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LINKS
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Ivan Neretin, Table of n, a(n) for n = 1..8193
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MATHEMATICA
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Fold[Append[#1, #1[[-1]] + #1[[#2]]] &, {1, 1, 4}, Flatten@Table[2 k, {n, 5}, {k, 2^n}]] (* Ivan Neretin, Sep 06 2015 *)
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CROSSREFS
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Cf. A050027, A050031, A050035, A050043, A050047, A050051, A050055, A050059, A050063, A050067, A050071 (similar, but with different initial conditions).
Sequence in context: A047257 A327311 A151735 * A217571 A058335 A222353
Adjacent sequences: A050036 A050037 A050038 * A050040 A050041 A050042
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KEYWORD
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nonn
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AUTHOR
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Clark Kimberling
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STATUS
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approved
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