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.

A112567 Self-convolution equals A112565.

Original entry on oeis.org

1, 1, 3, 11, 47, 193, 869, 3583, 12399, 51287, 217551, 867797, 3274727, 13099145, 55568089, 216651145, 878354151, 3609915051, 13596245715, 55617915013, 220140920491, 676614665133, 2955537029341, 11835711831601, 48642769948139
Offset: 0

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Author

Paul D. Hanna, Oct 14 2005

Keywords

Comments

A112565 is the main diagonal of square table A112564 of generalized Flavius Josephus sieves. It is not yet certain that this sequence consists entirely of integers.
The first non-integral term is a(84) = 102317017376376435483208037493436891797489491884241/2. [From David Wasserman, Jul 02 2009]

Crossrefs

Extensions

More terms from David Wasserman, Jul 02 2009