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.

A254145 a(n) = 1*7^n + 2*6^n + 3*5^n + 4*4^n + 5*3^n + 6*2^n + 7*1^n.

Table of values

n a(n)
0 28
1 84
2 336
3 1596
4 8400
5 47244
6 278256
7 1695036
8 10592400
9 67518444
10 437200176
11 2867080476
12 18997064400
13 126948964044
14 854359702896
15 5783851121916
16 39350309552400
17 268842017200044
18 1843254419626416
19 12675940450459356

List of values

[28, 84, 336, 1596, 8400, 47244, 278256, 1695036, 10592400, 67518444, 437200176, 2867080476, 18997064400, 126948964044, 854359702896, 5783851121916, 39350309552400, 268842017200044, 1843254419626416, 12675940450459356]