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Search: id:A102678
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| A102678 |
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Number of digits >=6 in the decimal representations of all integers from 0 to n. |
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+0
1
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| 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 4, 4, 4, 4, 4, 4, 5, 6, 7, 8, 8, 8, 8, 8, 8, 8, 9, 10, 11, 12, 12, 12, 12, 12, 12, 12, 13, 14, 15, 16, 16, 16, 16, 16, 16, 16, 17, 18, 19, 20, 20, 20, 20, 20, 20, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 32, 34, 36, 38, 39, 40, 41, 42, 43, 44, 46, 48
(list; graph; listen)
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OFFSET
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0,8
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MAPLE
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p:=proc(n) local b, ct, j: b:=convert(n, base, 10): ct:=0: for j from 1 to nops(b) do if b[j]>=6 then ct:=ct+1 else ct:=ct fi od: ct: end: seq(add(p(i), i=0..n), n=0..86); (Deutsch)
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CROSSREFS
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Partial sums of A102677.
Sequence in context: A065680 A093391 A029135 this_sequence A029132 A122815 A029127
Adjacent sequences: A102675 A102676 A102677 this_sequence A102679 A102680 A102681
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KEYWORD
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nonn,base,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Feb 03 2005
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EXTENSIONS
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More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Feb 23 2005
An incorrect g.f. was deleted by N. J. A. Sloane, Sep 16 2009
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