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A166266
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Number of 1's in binary expansion of A000110(n).
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1
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1, 1, 1, 2, 4, 3, 5, 7, 4, 8, 8, 10, 10, 12, 14, 15, 15, 16, 22, 19, 25, 29, 25, 31, 25, 31, 28, 39, 32, 35, 41, 42, 46, 47, 46, 52, 49, 52, 59, 53, 59, 55, 75, 69, 58, 68, 62, 85, 81, 82, 55, 81, 82, 89, 89, 97, 87, 96, 92, 95, 103, 99, 120, 105, 105, 113, 106, 126, 125, 126
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refs;
listen;
history;
text;
internal format)
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OFFSET
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1,4
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LINKS
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Harvey P. Dale, Table of n, a(n) for n = 1..1000
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MATHEMATICA
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Clear[lst, f, n, k, be] f[n_]:=Plus@@IntegerDigits[n, 2]; be[n_]:=Sum[StirlingS2[n, k], {k, 0, n}]; lst={}; Do[AppendTo[lst, f[be[n]]], {n, 0, 6!}]; lst
DigitCount[#, 2, 1]&/@BellB[Range[0, 70]] (* Harvey P. Dale, Dec 30 2018 *)
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CROSSREFS
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Sequence in context: A102767 A336640 A258238 * A011295 A082016 A074135
Adjacent sequences: A166263 A166264 A166265 * A166267 A166268 A166269
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KEYWORD
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nonn
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AUTHOR
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Vladimir Joseph Stephan Orlovsky, Oct 10 2009
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EXTENSIONS
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Edited by N. J. A. Sloane, Oct 13 2009
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STATUS
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approved
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