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.

A155973 Smallest x such that prime(2n)x^(2n-1) + prime(2n-1)x^(2n-2) + prime(2n-2)x^(2n-3) +...+ prime(2)x^1 + 2x^0 evaluates to an odd prime.

Table of values

n a(n)
1 1
2 1
3 1
4 11
5 23
6 1
7 1
8 75
9 29
10 27
11 159
12 27
13 107
14 179
15 63
16 93
17 675
18 593
19 11
20 1299
21 153
22 153
23 197
24 35
25 31
26 227
27 297
28 439
29 33
30 1
31 133
32 1
33 3
34 1071
35 173
36 153
37 299
38 5
39 1443
40 1275
41 611
42 1809
43 941
44 669
45 537
46 51
47 151
48 1
49 131
50 1
51 1
52 343
53 199
54 1
55 279
56 3
57 1
58 439
59 597
60 453
61 1
62 1
63 1187
64 391

List of values

[1, 1, 1, 11, 23, 1, 1, 75, 29, 27, 159, 27, 107, 179, 63, 93, 675, 593, 11, 1299, 153, 153, 197, 35, 31, 227, 297, 439, 33, 1, 133, 1, 3, 1071, 173, 153, 299, 5, 1443, 1275, 611, 1809, 941, 669, 537, 51, 151, 1, 131, 1, 1, 343, 199, 1, 279, 3, 1, 439, 597, 453, 1, 1, 1187, 391]