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.

A365904 Triangle read by rows T(n,k) = n^2 - binomial(k+1,2), n>=1, k

Table of values

n a(n)
1 1
2 4
3 3
4 9
5 8
6 6
7 16
8 15
9 13
10 10
11 25
12 24
13 22
14 19
15 15
16 36
17 35
18 33
19 30
20 26
21 21
22 49
23 48
24 46
25 43
26 39
27 34
28 28
29 64
30 63
31 61
32 58
33 54
34 49
35 43
36 36
37 81
38 80
39 78
40 75
41 71
42 66
43 60
44 53
45 45
46 100
47 99
48 97
49 94
50 90
51 85
52 79
53 72
54 64
55 55
56 121
57 120
58 118
59 115
60 111
61 106
62 100
63 93
64 85
65 76
66 66

List of values

[1, 4, 3, 9, 8, 6, 16, 15, 13, 10, 25, 24, 22, 19, 15, 36, 35, 33, 30, 26, 21, 49, 48, 46, 43, 39, 34, 28, 64, 63, 61, 58, 54, 49, 43, 36, 81, 80, 78, 75, 71, 66, 60, 53, 45, 100, 99, 97, 94, 90, 85, 79, 72, 64, 55, 121, 120, 118, 115, 111, 106, 100, 93, 85, 76, 66]

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

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