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.

A224478 (16^(5^n) + (10^n)/2 - 1) mod 10^n: a sequence of trimorphic numbers ending (for n > 1) in 5.

Table of values

n a(n)
1 0
2 25
3 875
4 4375
5 59375
6 609375
7 2109375
8 37109375
9 287109375
10 6787109375
11 31787109375
12 581787109375
13 5081787109375
14 90081787109375
15 240081787109375
16 8740081787109375
17 93740081787109375
18 243740081787109375
19 2743740081787109375
20 57743740081787109375

List of values

[0, 25, 875, 4375, 59375, 609375, 2109375, 37109375, 287109375, 6787109375, 31787109375, 581787109375, 5081787109375, 90081787109375, 240081787109375, 8740081787109375, 93740081787109375, 243740081787109375, 2743740081787109375, 57743740081787109375]

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

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