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.

A226817 Numbers of the form 4^j + 7^k, for j and k >= 0.

Table of values

n a(n)
1 2
2 5
3 8
4 11
5 17
6 23
7 50
8 53
9 65
10 71
11 113
12 257
13 263
14 305
15 344
16 347
17 359
18 407
19 599
20 1025
21 1031
22 1073
23 1367
24 2402
25 2405
26 2417
27 2465
28 2657
29 3425
30 4097
31 4103
32 4145
33 4439
34 6497
35 16385
36 16391
37 16433
38 16727
39 16808
40 16811
41 16823
42 16871
43 17063
44 17831
45 18785
46 20903

List of values

[2, 5, 8, 11, 17, 23, 50, 53, 65, 71, 113, 257, 263, 305, 344, 347, 359, 407, 599, 1025, 1031, 1073, 1367, 2402, 2405, 2417, 2465, 2657, 3425, 4097, 4103, 4145, 4439, 6497, 16385, 16391, 16433, 16727, 16808, 16811, 16823, 16871, 17063, 17831, 18785, 20903]