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.

A190542 a(n) = 7^n - 4^n.

Table of values

n a(n)
0 0
1 3
2 33
3 279
4 2145
5 15783
6 113553
7 807159
8 5699265
9 40091463
10 281426673
11 1973132439
12 13824509985
13 96821901543
14 677954637393
15 4746487768119
16 33228635602305
17 232613334118023
18 1628344878433713
19 11398620307466199
20 79791166785984225
21 558541466036772903
22 3909803456396943633
23 27368676971336738679
24 191580949905589703745

List of values

[0, 3, 33, 279, 2145, 15783, 113553, 807159, 5699265, 40091463, 281426673, 1973132439, 13824509985, 96821901543, 677954637393, 4746487768119, 33228635602305, 232613334118023, 1628344878433713, 11398620307466199, 79791166785984225, 558541466036772903, 3909803456396943633, 27368676971336738679, 191580949905589703745]

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

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