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.

A249993 Expansion of 1/((1+x)*(1+2*x)*(1-4*x)).

Table of values

n a(n)
0 1
1 1
2 11
3 29
4 147
5 525
6 2227
7 8653
8 35123
9 139469
10 559923
11 2235597
12 8950579
13 35785933
14 143176499
15 572640461
16 2290692915
17 9162509517
18 36650562355
19 146601200845
20 586406900531
21 2345623407821
22 9382502019891
23 37529991302349
24 150119998763827
25 600479927946445

List of values

[1, 1, 11, 29, 147, 525, 2227, 8653, 35123, 139469, 559923, 2235597, 8950579, 35785933, 143176499, 572640461, 2290692915, 9162509517, 36650562355, 146601200845, 586406900531, 2345623407821, 9382502019891, 37529991302349, 150119998763827, 600479927946445]

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

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