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.

A270306 Smallest number which is representable as a sum of n but no fewer consecutive nonnegative integers, or 0 for n > 1 if no such number exists.

Table of values

n a(n)
1 0
2 1
3 6
4 10
5 20
6 0
7 28
8 44
9 0
10 0
11 88
12 0
13 104
14 0
15 0
16 136
17 272
18 0
19 304
20 0
21 0
22 0
23 368
24 0
25 0
26 0
27 0
28 0
29 464
30 0
31 496
32 592
33 0
34 0
35 0
36 0
37 1184
38 0
39 0
40 0
41 1312
42 0
43 1376
44 0
45 0
46 0
47 1504
48 0
49 0
50 0
51 0
52 0
53 1696
54 0
55 0
56 0
57 0
58 0
59 1888
60 0
61 1952
62 0
63 0
64 2144
65 0
66 0
67 4288
68 0
69 0
70 0
71 4544

List of values

[0, 1, 6, 10, 20, 0, 28, 44, 0, 0, 88, 0, 104, 0, 0, 136, 272, 0, 304, 0, 0, 0, 368, 0, 0, 0, 0, 0, 464, 0, 496, 592, 0, 0, 0, 0, 1184, 0, 0, 0, 1312, 0, 1376, 0, 0, 0, 1504, 0, 0, 0, 0, 0, 1696, 0, 0, 0, 0, 0, 1888, 0, 1952, 0, 0, 2144, 0, 0, 4288, 0, 0, 0, 4544]