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.

A291874 Expansion of 1 - x/(1 - x^3/(1 - x^5/(1 - x^7/(1 - x^9/(1 - ... - x^(2*k-1)/(1 - ...)))))), a continued fraction.

Original entry on oeis.org

1, -1, 0, 0, -1, 0, 0, -1, 0, -1, -1, 0, -2, -1, -1, -3, -2, -3, -4, -4, -6, -7, -8, -11, -13, -16, -20, -24, -31, -37, -46, -58, -70, -88, -108, -133, -167, -204, -252, -315, -386, -479, -594, -731, -909, -1122, -1386, -1720, -2124, -2628, -3254, -4022, -4980
Offset: 0

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Author

Seiichi Manyama, Sep 04 2017

Keywords

Crossrefs

Cf. A049346, A143951, A227310, A291148 (similar sequence).

Formula

Convolution inverse of A143951.
a(n) = -A227310(n) for n > 0.