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Search: id:A166314
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| 1, 1, 1, 3, 3, 1, 3, 4, 3, 4, 3, 3, 5, 4, 4, 5, 3, 4, 4, 7, 5, 4, 7, 4, 5, 4, 3, 7, 6, 5, 5, 6, 3, 4, 4, 7, 6, 3, 6, 5, 6, 7, 4, 7, 9, 3, 5, 5, 5, 5, 7, 7, 6, 5, 7, 4, 7, 7, 5, 8, 7, 6, 6, 7, 3, 4, 4, 7, 6, 5, 7, 9, 5, 6, 6, 6, 9, 8, 4, 6, 6, 8, 6, 9, 9, 5, 8, 9, 8, 8, 1, 6, 7, 4, 6, 6, 5, 5, 7, 8, 9, 3, 5, 8, 7
(list; graph; listen)
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OFFSET
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0,4
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MAPLE
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read("transforms") ;
A166314 := proc(n) wt(A000124(n)) ; end:
A000124 := proc(n) n*(n+1)/2+1 ; end: seq(A166314(n), n=0..80) ; # R. J. Mathar, Oct 14 2009
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MATHEMATICA
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Clear[lst, n, s, f, i] f[n_]:=Plus@@IntegerDigits[n, 2]; i=1; s=1; lst={i}; Do[s+=n+i; If[s>=0, AppendTo[lst, f[s]]], {n, 0, 6!, 1}]; lst
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CROSSREFS
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Sequence in context: A092040 A161200 A110766 this_sequence A109630 A080094 A002332
Adjacent sequences: A166311 A166312 A166313 this_sequence A166315 A166316 A166317
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KEYWORD
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nonn,base,easy
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AUTHOR
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Vladimir Orlovsky (4vladimir(AT)gmail.com), Oct 11 2009
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EXTENSIONS
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Definition shortened, offset set to zero by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 14 2009
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