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.

A117777 Total number of palindromic primes in base 4 below 4^n.

Table of values

n a(n)
1 2
2 3
3 6
4 6
5 16
6 16
7 45
8 45
9 142
10 142
11 435
12 435
13 1417
14 1417
15 4802
16 4802
17 16433
18 16433
19 57808
20 57808
21 210708
22 210708
23 752233
24 752233
25 2748264
26 2748264
27 10211513
28 10211513
29 38013234
30 38013234
31 140417288
32 140417288

List of values

[2, 3, 6, 6, 16, 16, 45, 45, 142, 142, 435, 435, 1417, 1417, 4802, 4802, 16433, 16433, 57808, 57808, 210708, 210708, 752233, 752233, 2748264, 2748264, 10211513, 10211513, 38013234, 38013234, 140417288, 140417288]

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

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