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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.

A188129 a(n) = (2^n+3)^2-8.

Table of values

n a(n)
0 8
1 17
2 41
3 113
4 353
5 1217
6 4481
7 17153
8 67073
9 265217
10 1054721
11 4206593
12 16801793
13 67158017
14 268533761
15 1073938433
16 4295360513
17 17180655617
18 68721049601
19 274881052673
20 1099517919233
21 4398059094017
22 17592211210241
23 70368794509313
24 281475077373953
25 1125900108169217
26 4503600030023681
27 18014399314788353
28 72057595648540673

List of values

[8, 17, 41, 113, 353, 1217, 4481, 17153, 67073, 265217, 1054721, 4206593, 16801793, 67158017, 268533761, 1073938433, 4295360513, 17180655617, 68721049601, 274881052673, 1099517919233, 4398059094017, 17592211210241, 70368794509313, 281475077373953, 1125900108169217, 4503600030023681, 18014399314788353, 72057595648540673]

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

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