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.

A141137 Even Fibonacci pseudoprimes: even composite numbers k such that either (1) k divides Fibonacci(k-1) if k mod 5 = 1 or -1 or (2) k divides Fibonacci(k+1) if k mod 5 = 2 or -2.

Table of values

n a(n)
1 8539786
2 12813274
3 17340938
4 33940178
5 64132426
6 89733106
7 95173786
8 187473826
9 203211098
10 234735586
11 353686906
12 799171066
13 919831058
14 1188287794
15 1955272906
16 2166139898
17 2309861746
18 2864860298
19 3871638242
20 5313594466
21 5867301826

List of values

[8539786, 12813274, 17340938, 33940178, 64132426, 89733106, 95173786, 187473826, 203211098, 234735586, 353686906, 799171066, 919831058, 1188287794, 1955272906, 2166139898, 2309861746, 2864860298, 3871638242, 5313594466, 5867301826]