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.

A117081 a(n) = 36*n^2 - 810*n + 2753, producing the conjectured record number of 45 primes in a contiguous range of n for quadratic polynomials, i.e., abs(a(n)) is prime for 0 <= n < 44.

Table of values

n a(n)
0 2753
1 1979
2 1277
3 647
4 89
5 -397
6 -811
7 -1153
8 -1423
9 -1621
10 -1747
11 -1801
12 -1783
13 -1693
14 -1531
15 -1297
16 -991
17 -613
18 -163
19 359
20 953
21 1619
22 2357
23 3167
24 4049
25 5003
26 6029
27 7127
28 8297
29 9539
30 10853
31 12239
32 13697
33 15227
34 16829
35 18503
36 20249
37 22067
38 23957
39 25919
40 27953
41 30059
42 32237
43 34487
44 36809
45 39203
46 41669

List of values

[2753, 1979, 1277, 647, 89, -397, -811, -1153, -1423, -1621, -1747, -1801, -1783, -1693, -1531, -1297, -991, -613, -163, 359, 953, 1619, 2357, 3167, 4049, 5003, 6029, 7127, 8297, 9539, 10853, 12239, 13697, 15227, 16829, 18503, 20249, 22067, 23957, 25919, 27953, 30059, 32237, 34487, 36809, 39203, 41669]