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A079789
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a(n) = number of nonnegative integers m <= n having at least one digit in common with n.
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0
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 5, 6, 7, 8, 9, 10, 11, 12, 5, 14, 5, 8, 9, 10, 11, 12, 13, 14, 7, 16, 17, 7, 11, 12, 13, 14, 15, 16, 9, 18, 19, 20, 9, 14, 15, 16, 17, 18, 11, 20, 21, 22, 23, 11, 17, 18, 19, 20, 13, 22, 23, 24, 25, 26, 13, 20, 21, 22, 15, 24, 25, 26, 27, 28, 29
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OFFSET
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0,11
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LINKS
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EXAMPLE
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a(10) = 3 and the numbers m are: 0,1,10. a(14) = 7 with m = 1,4,10,11,12,13,14.
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CROSSREFS
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KEYWORD
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easy,nonn,base
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AUTHOR
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EXTENSIONS
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Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 19 2003
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STATUS
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approved
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