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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.

A245271 a(n) = floor(sqrt(F(n+2)^2 + F(n)^2)), where F(n) = A000045(n).

Table of values

n a(n)
0 1
1 2
2 3
3 5
4 8
5 13
6 22
7 36
8 58
9 95
10 154
11 249
12 403
13 652
14 1056
15 1709
16 2766
17 4475
18 7241
19 11717
20 18959
21 30676
22 49635
23 80311
24 129947
25 210258
26 340205
27 550464
28 890670
29 1441135
30 2331806
31 3772941
32 6104748
33 9877690
34 15982438
35 25860128
36 41842566
37 67702694
38 109545261
39 177247955

List of values

[1, 2, 3, 5, 8, 13, 22, 36, 58, 95, 154, 249, 403, 652, 1056, 1709, 2766, 4475, 7241, 11717, 18959, 30676, 49635, 80311, 129947, 210258, 340205, 550464, 890670, 1441135, 2331806, 3772941, 6104748, 9877690, 15982438, 25860128, 41842566, 67702694, 109545261, 177247955]

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

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