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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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A236678 Partial sums of the characteristic function of A079599.

Original entry on oeis.org

1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 10, 10, 10, 10, 10, 10, 11, 11, 12, 12, 12, 12, 12, 12, 13, 13, 14, 14, 14, 14, 14, 14, 15, 15, 16, 16, 16, 16, 16, 16, 17, 17, 18, 18, 18, 18, 18, 18, 19, 19
Offset: 0

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Author

Antti Karttunen, Jan 29 2014

Keywords

Comments

This works also as almost an inverse function for A079599, as we have a(A079599(n)) = n+1 for all n.

Links

Crossrefs

Not the same as A173711(n+6). First difference occurs at a(256), when 64 occurs here for the seventh time.
Cf. A236677, A079599.

Formula

a(0) = 1, and for n > 0, a(n) = a(n-1) + A236677(n).
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