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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.

A072021 Smallest solution to gcd(x, reverse(x)) = 5^n.

Table of values

n a(n)
1 5
2 5200
3 521000
4 5213750
5 521875
6 5218750
7 52130234375
8 5734841796875
9 57869714843750
10 526046650390625
11 5265674365234375
12 52187008544921875
13 526515306396484375
14 5213023309008789062500
15 5213596736358642578125
16 5260466086273193359375
17 526041911745452880859375

List of values

[5, 5200, 521000, 5213750, 521875, 5218750, 52130234375, 5734841796875, 57869714843750, 526046650390625, 5265674365234375, 52187008544921875, 526515306396484375, 5213023309008789062500, 5213596736358642578125, 5260466086273193359375, 526041911745452880859375]

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

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