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.

A227712 a(n) = 9*2^n - 3*n - 5.

Table of values

n a(n)
0 4
1 10
2 25
3 58
4 127
5 268
6 553
7 1126
8 2275
9 4576
10 9181
11 18394
12 36823
13 73684
14 147409
15 294862
16 589771
17 1179592
18 2359237
19 4718530
20 9437119
21 18874300
22 37748665
23 75497398
24 150994867
25 301989808
26 603979693
27 1207959466
28 2415919015
29 4831838116
30 9663676321
31 19327352734

List of values

[4, 10, 25, 58, 127, 268, 553, 1126, 2275, 4576, 9181, 18394, 36823, 73684, 147409, 294862, 589771, 1179592, 2359237, 4718530, 9437119, 18874300, 37748665, 75497398, 150994867, 301989808, 603979693, 1207959466, 2415919015, 4831838116, 9663676321, 19327352734]

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

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