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.

A236988 Real part of the product of all the Gaussian integers in the rectangle [1, 1] to [2, n].

Table of values

n a(n)
1 1
2 -20
3 140
4 200
5 -67600
6 3983200
7 -228488000
8 14375920000
9 -1002261520000
10 74864404160000
11 -5398716356800000
12 221997813232000000
13 54286859023072000000
14 -27326116497867200000000
15 9481971502321385600000000
16 -3155347494162485190400000000

List of values

[1, -20, 140, 200, -67600, 3983200, -228488000, 14375920000, -1002261520000, 74864404160000, -5398716356800000, 221997813232000000, 54286859023072000000, -27326116497867200000000, 9481971502321385600000000, -3155347494162485190400000000]

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

Content is available under The OEIS End-User License Agreement.