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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.

A339032 Expansion of (4*x^5 - 9*x^4 + 17*x^3 - 15*x^2 + 6*x - 1)/((2*x - 1)^2*(x - 1)^3).

Table of values

n a(n)
0 1
1 1
2 3
3 10
4 31
5 86
6 219
7 526
8 1215
9 2734
10 6043
11 13190
12 28527
13 61270
14 130875
15 278302
16 589567
17 1244894
18 2621115
19 5504662
20 11533935
21 24116806
22 50331163
23 104857070
24 218103231
25 452984206
26 939523419
27 1946156326
28 4026531055
29 8321498294
30 17179868283
31 35433479230

List of values

[1, 1, 3, 10, 31, 86, 219, 526, 1215, 2734, 6043, 13190, 28527, 61270, 130875, 278302, 589567, 1244894, 2621115, 5504662, 11533935, 24116806, 50331163, 104857070, 218103231, 452984206, 939523419, 1946156326, 4026531055, 8321498294, 17179868283, 35433479230]

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

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