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.

A107841 Series reversion of x*(1-3*x)/(1-x).

Table of values

n a(n)
0 1
1 2
2 10
3 62
4 430
5 3194
6 24850
7 199910
8 1649350
9 13879538
10 118669210
11 1027945934
12 9002083870
13 79568077034
14 708911026210
15 6359857112438
16 57403123415350
17 520895417047010
18 4749381474135850
19 43489017531266654
20 399755692955359630
21 3687437532852484442
22 34121911117572911410

List of values

[1, 2, 10, 62, 430, 3194, 24850, 199910, 1649350, 13879538, 118669210, 1027945934, 9002083870, 79568077034, 708911026210, 6359857112438, 57403123415350, 520895417047010, 4749381474135850, 43489017531266654, 399755692955359630, 3687437532852484442, 34121911117572911410]

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

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