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.

A175035 Offsets i such that i + n*(n+1)/2 is a perfect square for some positive integer n.

Table of values

n a(n)
1 1
2 3
3 4
4 6
5 8
6 9
7 10
8 13
9 15
10 16
11 19
12 21
13 22
14 24
15 25
16 26
17 28
18 30
19 33
20 34
21 35
22 36
23 39
24 43
25 45
26 46
27 48
28 49
29 53
30 54
31 55
32 58
33 60
34 61
35 63
36 64
37 66
38 71
39 72
40 75
41 76
42 78
43 79
44 80
45 81
46 85
47 89
48 90
49 91
50 93
51 94
52 97
53 99
54 100
55 103
56 105
57 106
58 108
59 111
60 114
61 115
62 116
63 118
64 120

List of values

[1, 3, 4, 6, 8, 9, 10, 13, 15, 16, 19, 21, 22, 24, 25, 26, 28, 30, 33, 34, 35, 36, 39, 43, 45, 46, 48, 49, 53, 54, 55, 58, 60, 61, 63, 64, 66, 71, 72, 75, 76, 78, 79, 80, 81, 85, 89, 90, 91, 93, 94, 97, 99, 100, 103, 105, 106, 108, 111, 114, 115, 116, 118, 120]

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

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