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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.

A049720 a(n)=T(n,1), array T as in A048149.

Table of values

n a(n)
0 3
1 4
2 8
3 13
4 19
5 28
6 37
7 48
8 62
9 75
10 92
11 108
12 127
13 150
14 170
15 195
16 218
17 247
18 277
19 304
20 337
21 369
22 406
23 441
24 475
25 518
26 559
27 604
28 646
29 689
30 740
31 786
32 841
33 890
34 945
35 1001
36 1052
37 1115
38 1173
39 1236
40 1299
41 1360
42 1428
43 1497
44 1568
45 1638
46 1707

List of values

[3, 4, 8, 13, 19, 28, 37, 48, 62, 75, 92, 108, 127, 150, 170, 195, 218, 247, 277, 304, 337, 369, 406, 441, 475, 518, 559, 604, 646, 689, 740, 786, 841, 890, 945, 1001, 1052, 1115, 1173, 1236, 1299, 1360, 1428, 1497, 1568, 1638, 1707]

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

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