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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.

A115283 Diagonal sums of correlation triangle for 3-2*0^n.

Table of values

n a(n)
0 1
1 3
2 6
3 13
4 18
5 27
6 37
7 48
8 60
9 76
10 90
11 108
12 127
13 147
14 168
15 193
16 216
17 243
18 271
19 300
20 330
21 364
22 396
23 432
24 469
25 507
26 546
27 589
28 630
29 675
30 721
31 768
32 816
33 868
34 918
35 972
36 1027
37 1083
38 1140
39 1201
40 1260
41 1323
42 1387
43 1452
44 1518
45 1588
46 1656
47 1728
48 1801

List of values

[1, 3, 6, 13, 18, 27, 37, 48, 60, 76, 90, 108, 127, 147, 168, 193, 216, 243, 271, 300, 330, 364, 396, 432, 469, 507, 546, 589, 630, 675, 721, 768, 816, 868, 918, 972, 1027, 1083, 1140, 1201, 1260, 1323, 1387, 1452, 1518, 1588, 1656, 1728, 1801]

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

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