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.

A251700 a(n) = (8*n+1) * (9*n+1)^(n-2) * 10^n.

Table of values

n a(n)
0 1
1 9
2 1700
3 700000
4 451770000
5 399077600000
6 448380625000000
7 612032839680000000
8 983672470878500000000
9 1819783935144064000000000
10 3809045473682732010000000000
11 8900000000000000000000000000000
12 22963427643543537169897000000000000
13 64847222511564256853913600000000000000

List of values

[1, 9, 1700, 700000, 451770000, 399077600000, 448380625000000, 612032839680000000, 983672470878500000000, 1819783935144064000000000, 3809045473682732010000000000, 8900000000000000000000000000000, 22963427643543537169897000000000000, 64847222511564256853913600000000000000]

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

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