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.

A130653 Odd terms in A002430 = numerators in Taylor series for tan(x).

Table of values

n a(n)
1 1
2 1
3 17
4 929569
5 129848163681107301953
6 7724760729208487305545342963324697288405380586579904269441
7 357302767470032900576643605538835088084055212588960920085261795996340330997333306469144562500392344758421560010463942134842407723273904635849262137252097

List of values

[1, 1, 17, 929569, 129848163681107301953, 7724760729208487305545342963324697288405380586579904269441, 357302767470032900576643605538835088084055212588960920085261795996340330997333306469144562500392344758421560010463942134842407723273904635849262137252097]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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