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.

A172126 Terms of A181666 of the form 3*k+1.

Table of values

n a(n)
1 1
2 4
3 10
4 16
5 40
6 64
7 85
8 160
9 256
10 340
11 640
12 682
13 1024
14 1360
15 2560
16 2728
17 4096
18 5440
19 5461
20 10240
21 10912
22 16384
23 21760
24 21844
25 40960
26 43648
27 43690
28 65536
29 87040
30 87376
31 163840
32 174592
33 174760
34 262144
35 348160
36 349504
37 349525
38 655360
39 698368
40 699040
41 1048576
42 1392640

List of values

[1, 4, 10, 16, 40, 64, 85, 160, 256, 340, 640, 682, 1024, 1360, 2560, 2728, 4096, 5440, 5461, 10240, 10912, 16384, 21760, 21844, 40960, 43648, 43690, 65536, 87040, 87376, 163840, 174592, 174760, 262144, 348160, 349504, 349525, 655360, 698368, 699040, 1048576, 1392640]

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

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