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.

A256461 Smallest k such that A098550(n) + A098550(n+1) + ... + A098550(n+k) is prime, or -1 if there is no such k.

Table of values

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

List of values

[1, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 4, 1, 0, 1, 1, 1, 18, 1, 5, 0, 0, 1, 1, 1, 1, 1, 2, 0, 1, 1, 1, 1, 9, 1, 1, 4, 1, 4, 1, 4, 0, 1, 1, 1, 1, 1, 16, 1, 0, 1, 1, 1, 7, 1, 1, 9, 1, 5, 0, 0, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 4, 4, 1, 7, 0, 1, 5, 1, 1, 4, 3, 1]