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.

A063915 G.f.: (1 + Sum_{ i >= 0 } 2^i*x^(2^(i+1)-1)) / (1-x)^2.

Table of values

n a(n)
0 1
1 3
2 5
3 9
4 13
5 17
6 21
7 29
8 37
9 45
10 53
11 61
12 69
13 77
14 85
15 101
16 117
17 133
18 149
19 165
20 181
21 197
22 213
23 229
24 245
25 261
26 277
27 293
28 309
29 325
30 341
31 373
32 405
33 437
34 469
35 501
36 533
37 565
38 597
39 629
40 661
41 693
42 725
43 757
44 789
45 821
46 853
47 885
48 917
49 949
50 981
51 1013
52 1045
53 1077
54 1109

List of values

[1, 3, 5, 9, 13, 17, 21, 29, 37, 45, 53, 61, 69, 77, 85, 101, 117, 133, 149, 165, 181, 197, 213, 229, 245, 261, 277, 293, 309, 325, 341, 373, 405, 437, 469, 501, 533, 565, 597, 629, 661, 693, 725, 757, 789, 821, 853, 885, 917, 949, 981, 1013, 1045, 1077, 1109]