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.

A060242 a(n) = (2^n - 1)*(4^n - 1).

Table of values

n a(n)
0 0
1 3
2 45
3 441
4 3825
5 31713
6 257985
7 2080641
8 16711425
9 133955073
10 1072692225
11 8585738241
12 68702695425
13 549688696833
14 4397778059265
15 35183298314241
16 281470681677825
17 2251782633684993
18 18014329789743105
19 144114913197424641
20 1152920405094170625

List of values

[0, 3, 45, 441, 3825, 31713, 257985, 2080641, 16711425, 133955073, 1072692225, 8585738241, 68702695425, 549688696833, 4397778059265, 35183298314241, 281470681677825, 2251782633684993, 18014329789743105, 144114913197424641, 1152920405094170625]

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

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