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.

A128419 Expansion of 8/(sqrt(1-8*x)*(sqrt(1-8*x)+4*x+7)).

Table of values

n a(n)
0 1
1 4
2 25
3 168
4 1181
5 8524
6 62609
7 465616
8 3495013
9 26423604
10 200920985
11 1534936440
12 11771854381
13 90578698396
14 698921030945
15 5406132020128
16 41905249405301
17 325434733291396
18 2531523208218665
19 19721766268370248
20 153847524455503421
21 1201601094053039596
22 9395224234956935345

List of values

[1, 4, 25, 168, 1181, 8524, 62609, 465616, 3495013, 26423604, 200920985, 1534936440, 11771854381, 90578698396, 698921030945, 5406132020128, 41905249405301, 325434733291396, 2531523208218665, 19721766268370248, 153847524455503421, 1201601094053039596, 9395224234956935345]

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

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