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.

A252296 Fibonacci numbers k for which the difference between k and the largest prime less than k is also prime.

Table of values

n a(n)
1 5
2 13
3 21
4 34
5 55
6 144
7 610
8 2584
9 6765
10 10946
11 46368
12 196418
13 832040
14 14930352
15 267914296
16 1134903170
17 4807526976
18 365435296162
19 1548008755920
20 117669030460994
21 498454011879264
22 2111485077978050
23 160500643816367088
24 12200160415121876738
25 51680708854858323072

List of values

[5, 13, 21, 34, 55, 144, 610, 2584, 6765, 10946, 46368, 196418, 832040, 14930352, 267914296, 1134903170, 4807526976, 365435296162, 1548008755920, 117669030460994, 498454011879264, 2111485077978050, 160500643816367088, 12200160415121876738, 51680708854858323072]

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

Content is available under The OEIS End-User License Agreement.