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.

A144734 Triangle read by rows, A054533 * transpose(A101688) (matrix product) provided A101688 is read as a square array by antidiagonals upwards.

Table of values

n a(n)
1 1
2 0
3 1
4 0
5 1
6 2
7 0
8 0
9 2
10 2
11 0
12 1
13 2
14 3
15 4
16 0
17 -1
18 0
19 2
20 3
21 2
22 0
23 1
24 2
25 3
26 4
27 5
28 6
29 0
30 0
31 0
32 0
33 4
34 4
35 4
36 4
37 0
38 0
39 0
40 3
41 3
42 3
43 6
44 6
45 6
46 0
47 -1
48 0
49 -1
50 0
51 4
52 5
53 4
54 5
55 4
56 0
57 1
58 2
59 3
60 4
61 5
62 6
63 7
64 8
65 9
66 10
67 0
68 0
69 -2
70 -2
71 0
72 0
73 4
74 4
75 6
76 6
77 4
78 4
79 0
80 1
81 2
82 3
83 4
84 5
85 6
86 7
87 8
88 9
89 10
90 11
91 12
92 0
93 -1
94 0

List of values

[1, 0, 1, 0, 1, 2, 0, 0, 2, 2, 0, 1, 2, 3, 4, 0, -1, 0, 2, 3, 2, 0, 1, 2, 3, 4, 5, 6, 0, 0, 0, 0, 4, 4, 4, 4, 0, 0, 0, 3, 3, 3, 6, 6, 6, 0, -1, 0, -1, 0, 4, 5, 4, 5, 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 0, 0, -2, -2, 0, 0, 4, 4, 6, 6, 4, 4, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, -1, 0]