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.

A247867 a(n) is the smallest prime in the interval [k*sqrt(k), k*sqrt(k+2)], where k = A001359(n), or a(n)=0 if there is no prime in this interval.

Table of values

n a(n)
1 0
2 13
3 37
4 71
5 157
6 263
7 457
8 599
9 1019
10 1109
11 1607
12 1823
13 2399
14 2647
15 2767
16 3433
17 3697
18 4421
19 4721
20 5501
21 6469
22 8581
23 8951
24 9901
25 11897
26 13577
27 14669
28 15329
29 16229
30 16921
31 23011
32 23531
33 23789
34 25097
35 26153
36 32531
37 33107
38 33997
39 34583
40 36037
41 39079
42 43093

List of values

[0, 13, 37, 71, 157, 263, 457, 599, 1019, 1109, 1607, 1823, 2399, 2647, 2767, 3433, 3697, 4421, 4721, 5501, 6469, 8581, 8951, 9901, 11897, 13577, 14669, 15329, 16229, 16921, 23011, 23531, 23789, 25097, 26153, 32531, 33107, 33997, 34583, 36037, 39079, 43093]