cp's OEIS Frontend

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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A318241 Column 3 of array in A318240.

Original entry on oeis.org

0, 1, 1, 3, 3, 4, 4, 4, 4, 6, 6, 6, 7, 7, 7, 9, 9, 9, 10, 10, 10, 12, 12, 12, 13, 13, 13
Offset: 1

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Author

Floris P. van Doorn, Aug 25 2018

Keywords

Comments

The next value a(28) is either 15 or 16.
a(6k+1) = a(6k+2) = a(6k+3) = 3k+1 for k >= 1. This follows from the solution to Kirkman's schoolgirl problem with n schoolgirls.
The values of a(6k), a(6k-1) and a(6k-2) are either 3k or 3k+1.

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Crossrefs

Cf. A318240.
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