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.

A104804 "Rounded hypotenuses": a(n) = round(sqrt(a(n-1)^2 + a(n-2)^2)), a(1)=1, a(2)=3.

Table of values

n a(n)
1 1
2 3
3 3
4 4
5 5
6 6
7 8
8 10
9 13
10 16
11 21
12 26
13 33
14 42
15 53
16 68
17 86
18 110
19 140
20 178
21 226
22 288
23 366
24 466
25 593
26 754
27 959
28 1220
29 1552
30 1974
31 2511
32 3194
33 4063
34 5168
35 6574
36 8362
37 10637
38 13530
39 17211
40 21892
41 27847
42 35422
43 45057
44 57314
45 72904
46 92736
47 117962
48 150050

List of values

[1, 3, 3, 4, 5, 6, 8, 10, 13, 16, 21, 26, 33, 42, 53, 68, 86, 110, 140, 178, 226, 288, 366, 466, 593, 754, 959, 1220, 1552, 1974, 2511, 3194, 4063, 5168, 6574, 8362, 10637, 13530, 17211, 21892, 27847, 35422, 45057, 57314, 72904, 92736, 117962, 150050]