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A277589
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Numbers k such that k/10^m == 2 mod 10, where 10^m is the greatest power of 10 that divides n.
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10
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2, 12, 20, 22, 32, 42, 52, 62, 72, 82, 92, 102, 112, 120, 122, 132, 142, 152, 162, 172, 182, 192, 200, 202, 212, 220, 222, 232, 242, 252, 262, 272, 282, 292, 302, 312, 320, 322, 332, 342, 352, 362, 372, 382, 392, 402, 412, 420, 422, 432, 442, 452, 462, 472
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OFFSET
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1,1
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COMMENTS
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Numbers having 2 as rightmost nonzero digit in base 10. This is one sequence in a 10-way splitting of the positive integers; the other nine are indicated in the Mathematica program.
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LINKS
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MATHEMATICA
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z = 460; a[b_] := Table[Mod[n/b^IntegerExponent[n, b], b], {n, 1, z}]
p[b_, d_] := Flatten[Position[a[b], d]]
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy,base
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AUTHOR
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STATUS
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approved
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