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.

A058966 a(3) = 1, otherwise a(n) = n*2^(n-3) - 2^(n-2) - 2.

Table of values

n a(n)
3 1
4 2
5 10
6 30
7 78
8 190
9 446
10 1022
11 2302
12 5118
13 11262
14 24574
15 53246
16 114686
17 245758
18 524286
19 1114110
20 2359294
21 4980734
22 10485758
23 22020094
24 46137342
25 96468990
26 201326590
27 419430398
28 872415230
29 1811939326
30 3758096382
31 7784628222
32 16106127358
33 33285996542
34 68719476734

List of values

[1, 2, 10, 30, 78, 190, 446, 1022, 2302, 5118, 11262, 24574, 53246, 114686, 245758, 524286, 1114110, 2359294, 4980734, 10485758, 22020094, 46137342, 96468990, 201326590, 419430398, 872415230, 1811939326, 3758096382, 7784628222, 16106127358, 33285996542, 68719476734]

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

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