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.

A001090 a(n) = 8*a(n-1) - a(n-2); a(0) = 0, a(1) = 1.

Table of values

n a(n)
0 0
1 1
2 8
3 63
4 496
5 3905
6 30744
7 242047
8 1905632
9 15003009
10 118118440
11 929944511
12 7321437648
13 57641556673
14 453811015736
15 3572846569215
16 28128961537984
17 221458845734657
18 1743541804339272
19 13726875588979519
20 108071462907496880
21 850844827670995521
22 6698687158460467288

List of values

[0, 1, 8, 63, 496, 3905, 30744, 242047, 1905632, 15003009, 118118440, 929944511, 7321437648, 57641556673, 453811015736, 3572846569215, 28128961537984, 221458845734657, 1743541804339272, 13726875588979519, 108071462907496880, 850844827670995521, 6698687158460467288]

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

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