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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.

A185258 A185253(n) is the a(n)-th triangular number.

Table of values

n a(n)
1 3
2 11
3 25
4 20
5 56
6 73
7 51
8 42
9 49
10 183
11 117
12 406
13 532
14 602
15 356
16 325
17 842
18 144
19 164
20 900
21 119
22 1406
23 1630
24 1011
25 1156
26 935
27 2050
28 2000
29 2222
30 2541
31 1690
32 2488
33 1981
34 3699
35 1308
36 2924
37 4371
38 897
39 311
40 5113
41 5735
42 3783
43 5549
44 1807
45 696
46 5654
47 6478

List of values

[3, 11, 25, 20, 56, 73, 51, 42, 49, 183, 117, 406, 532, 602, 356, 325, 842, 144, 164, 900, 119, 1406, 1630, 1011, 1156, 935, 2050, 2000, 2222, 2541, 1690, 2488, 1981, 3699, 1308, 2924, 4371, 897, 311, 5113, 5735, 3783, 5549, 1807, 696, 5654, 6478]

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

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