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.

A104530 Expansion of (1+sqrt(1-4x))/(4sqrt(1-4x)-2).

Table of values

n a(n)
0 1
1 3
2 15
3 78
4 411
5 2178
6 11574
7 61596
8 328083
9 1748346
10 9319650
11 49688004
12 264943902
13 1412826132
14 7534329804
15 40180417848
16 214285867011
17 1142822599722
18 6094924220394
19 32505784870068
20 173362418710506
21 924593002335612
22 4931138212856244
23 26299312319336328
24 140262655976846766

List of values

[1, 3, 15, 78, 411, 2178, 11574, 61596, 328083, 1748346, 9319650, 49688004, 264943902, 1412826132, 7534329804, 40180417848, 214285867011, 1142822599722, 6094924220394, 32505784870068, 173362418710506, 924593002335612, 4931138212856244, 26299312319336328, 140262655976846766]

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

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