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.

A080041 a(n) = floor((1+sqrt(3))^n).

Table of values

n a(n)
0 1
1 2
2 7
3 20
4 55
5 152
6 415
7 1136
8 3103
9 8480
10 23167
11 63296
12 172927
13 472448
14 1290751
15 3526400
16 9634303
17 26321408
18 71911423
19 196465664
20 536754175
21 1466439680
22 4006387711
23 10945654784
24 29904084991
25 81699479552
26 223207129087

List of values

[1, 2, 7, 20, 55, 152, 415, 1136, 3103, 8480, 23167, 63296, 172927, 472448, 1290751, 3526400, 9634303, 26321408, 71911423, 196465664, 536754175, 1466439680, 4006387711, 10945654784, 29904084991, 81699479552, 223207129087]

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

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