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.

A054880 a(n) = 3*(9^n - 1)/4.

Table of values

n a(n)
0 0
1 6
2 60
3 546
4 4920
5 44286
6 398580
7 3587226
8 32285040
9 290565366
10 2615088300
11 23535794706
12 211822152360
13 1906399371246
14 17157594341220
15 154418349070986
16 1389765141638880
17 12507886274749926
18 112570976472749340
19 1013138788254744066
20 9118249094292696600
21 82064241848634269406
22 738578176637708424660

List of values

[0, 6, 60, 546, 4920, 44286, 398580, 3587226, 32285040, 290565366, 2615088300, 23535794706, 211822152360, 1906399371246, 17157594341220, 154418349070986, 1389765141638880, 12507886274749926, 112570976472749340, 1013138788254744066, 9118249094292696600, 82064241848634269406, 738578176637708424660]

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

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