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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.

A263308 Smallest prime modulus p such that there exists a multiplicative-coset Ramsey algebra in n colors over Z/pZ, or 0 if no such prime exists.

Table of values

n a(n)
1 2
2 5
3 13
4 41
5 71
6 97
7 491
8 0
9 523
10 1181
11 947
12 769
13 0
14 1709
15 1291
16 1217
17 4013
18 2521
19 1901
20 2801
21 1933
22 3257
23 3221
24 4129
25 3701
26 4889
27 5563
28 8849
29 6323
30 5521
31 6263
32 5441
33 8779
34 7481
35 7841
36 10009
37 13469
38 12161
39 8971
40 14561
41 13367
42 19993
43 14621
44 12497
45 14401
46 14537
47 20117
48 18913
49 22541
50 22901
51 19687
52 29537

List of values

[2, 5, 13, 41, 71, 97, 491, 0, 523, 1181, 947, 769, 0, 1709, 1291, 1217, 4013, 2521, 1901, 2801, 1933, 3257, 3221, 4129, 3701, 4889, 5563, 8849, 6323, 5521, 6263, 5441, 8779, 7481, 7841, 10009, 13469, 12161, 8971, 14561, 13367, 19993, 14621, 12497, 14401, 14537, 20117, 18913, 22541, 22901, 19687, 29537]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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