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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A207668 Number of suitable numbers k(m) for m = A207017(n).

Original entry on oeis.org

2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1
Offset: 1

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Author

Vladimir Shevelev, Feb 19 2012

Keywords

Comments

Or a(n) is the number of proper H-divisors > 1 of A207017(n).

Crossrefs

Cf. A207017, A207666.
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