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.

A361442 Infinite triangle T(n, k), n, k >= 0, read and filled by rows the greedy way with distinct integers such that for any n, k >= 0, T(n, k) + T(n+1, k) + T(n+1, k+1) = 0; each term is minimal in absolute value and in case of a tie, preference is given to the positive value.

Table of values

n a(n)
0 0
1 1
2 -1
3 2
4 -3
5 4
6 3
7 -5
8 8
9 -12
10 5
11 -8
12 13
13 -21
14 33
15 6
16 -11
17 19
18 -32
19 53
20 -86
21 -2
22 -4
23 15
24 -34
25 66
26 -119
27 205
28 9
29 -7
30 11
31 -26
32 60
33 -126
34 245
35 -450
36 10
37 -19
38 26
39 -37
40 63
41 -123
42 249
43 -494
44 944
45 7
46 -17
47 36
48 -62
49 99
50 -162
51 285
52 -534
53 1028
54 -1972

List of values

[0, 1, -1, 2, -3, 4, 3, -5, 8, -12, 5, -8, 13, -21, 33, 6, -11, 19, -32, 53, -86, -2, -4, 15, -34, 66, -119, 205, 9, -7, 11, -26, 60, -126, 245, -450, 10, -19, 26, -37, 63, -123, 249, -494, 944, 7, -17, 36, -62, 99, -162, 285, -534, 1028, -1972]