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Search: id:A072630
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| A072630 |
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Values of n where A072629 switches from 01010.. into 0000.. or back. |
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+0
4
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| 1, 7, 19, 53, 147, 403, 1095, 2979, 8103, 22025, 59873, 162753, 442413
(list; graph; listen)
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OFFSET
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1,2
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FORMULA
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See program below.
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MAPLE
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m[x_] := Mod[x*Floor[Log[x]//N], 2] Do[s=m[n]+m[n+1]; s1=m[n+1]+m[n+2]; If[ !Equal[s1, s], Print[n]], {n, 1, 1000000}]
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CROSSREFS
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See also A004648, A072608, A072609, A072610, A072630.
Sequence in context: A100545 A100450 A092053 this_sequence A002714 A126361 A069005
Adjacent sequences: A072627 A072628 A072629 this_sequence A072631 A072632 A072633
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KEYWORD
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more,nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Jun 28 2002
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