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.

A249807 a(0) = 1; afterwards a(n) is the smallest positive square that added to all previous terms produces a prime.

Table of values

n a(n)
0 1
1 1
2 1
3 4
4 4
5 36
6 36
7 144
8 36
9 324
10 324
11 36
12 36
13 36
14 144
15 144
16 144
17 36
18 36
19 36
20 900
21 900
22 900
23 324
24 900
25 36
26 324
27 36
28 324
29 576
30 324
31 144
32 36
33 324
34 36
35 576
36 144
37 2304
38 576
39 36
40 144
41 900
42 324
43 144
44 576
45 324
46 900
47 36
48 144
49 900
50 2916
51 144
52 2916
53 36
54 576
55 900
56 1764
57 324
58 144
59 1296
60 36
61 36

List of values

[1, 1, 1, 4, 4, 36, 36, 144, 36, 324, 324, 36, 36, 36, 144, 144, 144, 36, 36, 36, 900, 900, 900, 324, 900, 36, 324, 36, 324, 576, 324, 144, 36, 324, 36, 576, 144, 2304, 576, 36, 144, 900, 324, 144, 576, 324, 900, 36, 144, 900, 2916, 144, 2916, 36, 576, 900, 1764, 324, 144, 1296, 36, 36]

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

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