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.

A079409 Array T(m,n) (m>=0, n>=0) read by antidiagonals: T(0, 0) = 1, T(0, n) = 0 if n > 0, T(m, n) = T(m-1, n - T(m-1, n)) + T(m-1, n - T(m-1, n-1)) if m > 0.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 1
5 0
6 1
7 2
8 0
9 0
10 1
11 1
12 1
13 0
14 0
15 1
16 2
17 3
18 0
19 0
20 0
21 1
22 1
23 1
24 1
25 0
26 0
27 0
28 1
29 2
30 3
31 4
32 0
33 0
34 0
35 0
36 1
37 1
38 1
39 1
40 1
41 0
42 0
43 0
44 0
45 1
46 2
47 3
48 4
49 5
50 0
51 0
52 0
53 0
54 0
55 1
56 1
57 1
58 1
59 1
60 1
61 0
62 0
63 0
64 0
65 0
66 1
67 2
68 3
69 4
70 5
71 6
72 0
73 0
74 0
75 0
76 0
77 0
78 1
79 1
80 1
81 1
82 1
83 1
84 1
85 0
86 0
87 0
88 0
89 0
90 0
91 1
92 2
93 3
94 4
95 5
96 6
97 7
98 0
99 0
100 0
101 0
102 0
103 0
104 0

List of values

[1, 1, 0, 1, 1, 0, 1, 2, 0, 0, 1, 1, 1, 0, 0, 1, 2, 3, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 2, 3, 4, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 2, 3, 4, 5, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 0, 0, 0, 0, 0, 0, 0]