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.

A137574 Fibonacci numbers and their distinct prime divisors having the same number of decimal digits.

Table of values

n a(n)
1 2
2 3
3 5
4 8
5 13
6 21
7 89
8 233
9 1597
10 17711
11 28657
12 46368
13 75025
14 121393
15 514229
16 1346269
17 165580141
18 433494437
19 2971215073
20 53316291173
21 139583862445
22 2504730781961
23 308061521170129
24 806515533049393
25 14472334024676221
26 99194853094755497
27 19740274219868223167

List of values

[2, 3, 5, 8, 13, 21, 89, 233, 1597, 17711, 28657, 46368, 75025, 121393, 514229, 1346269, 165580141, 433494437, 2971215073, 53316291173, 139583862445, 2504730781961, 308061521170129, 806515533049393, 14472334024676221, 99194853094755497, 19740274219868223167]

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

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