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.

A270706 Number of ordered ways to write n as x^2*T(x) + y^2 + T(z), where x, y and z are integers with x nonzero, y positive and z nonnegative, and T(m) denotes the triangular number m*(m+1)/2.

Table of values

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

List of values

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