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.

A224476 (2*16^(5^n) + (10^n)/2 - 1) mod 10^n: a sequence of trimorphic numbers ending (for n > 1) in 1.

Table of values

n a(n)
1 6
2 1
3 251
4 3751
5 68751
6 718751
7 9218751
8 24218751
9 74218751
10 8574218751
11 13574218751
12 663574218751
13 5163574218751
14 30163574218751
15 980163574218751
16 2480163574218751
17 37480163574218751
18 987480163574218751
19 487480163574218751
20 65487480163574218751

List of values

[6, 1, 251, 3751, 68751, 718751, 9218751, 24218751, 74218751, 8574218751, 13574218751, 663574218751, 5163574218751, 30163574218751, 980163574218751, 2480163574218751, 37480163574218751, 987480163574218751, 487480163574218751, 65487480163574218751]

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

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