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.

A089932 G.f.: (1-x)^5/((-1+4*x-3*x^2+x^3)*(1-3*x+x^2)*(-1+2*x)).

Table of values

n a(n)
0 1
1 4
2 16
3 60
4 215
5 747
6 2539
7 8491
8 28049
9 91782
10 298109
11 962594
12 3093687
13 9905444
14 31619072
15 100681587
16 319944693
17 1015039586
18 3215903436
19 10177462312
20 32179381609
21 101668695088
22 321014982282
23 1013068488800
24 3195703133266
25 10077204123667
26 31767718475161

List of values

[1, 4, 16, 60, 215, 747, 2539, 8491, 28049, 91782, 298109, 962594, 3093687, 9905444, 31619072, 100681587, 319944693, 1015039586, 3215903436, 10177462312, 32179381609, 101668695088, 321014982282, 1013068488800, 3195703133266, 10077204123667, 31767718475161]

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

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