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.

A144312 a(n) = 5*n*(5*n + 1)/2.

Table of values

n a(n)
0 0
1 15
2 55
3 120
4 210
5 325
6 465
7 630
8 820
9 1035
10 1275
11 1540
12 1830
13 2145
14 2485
15 2850
16 3240
17 3655
18 4095
19 4560
20 5050
21 5565
22 6105
23 6670
24 7260
25 7875
26 8515
27 9180
28 9870
29 10585
30 11325
31 12090
32 12880
33 13695
34 14535
35 15400
36 16290
37 17205
38 18145
39 19110
40 20100

List of values

[0, 15, 55, 120, 210, 325, 465, 630, 820, 1035, 1275, 1540, 1830, 2145, 2485, 2850, 3240, 3655, 4095, 4560, 5050, 5565, 6105, 6670, 7260, 7875, 8515, 9180, 9870, 10585, 11325, 12090, 12880, 13695, 14535, 15400, 16290, 17205, 18145, 19110, 20100]

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

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