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.

A374723 Numerator of rational number tan(2^(n-1)*arctan(1/A024810(n))).

Table of values

n a(n)
1 1
2 4
3 120
4 74455920
5 479301523749226879680
6 1336367227479573478314645756081634359006026455038720

List of values

[1, 4, 120, 74455920, 479301523749226879680, 1336367227479573478314645756081634359006026455038720]

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

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