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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.

A160794 Vertex number of a rectangular spiral related to Fibonacci numbers and prime numbers. The distances between nearest edges of the spiral that are parallel to the initial edge are the Fibonacci numbers, while the distances between nearest edges perpendicular to the initial edge are the prime numbers.

Table of values

n a(n)
0 0
1 1
2 2
3 5
4 7
5 13
6 17
7 28
8 35
9 53
10 65
11 94
12 114
13 156
14 189
15 248
16 302
17 380
18 468
19 569
20 712
21 842
22 1074
23 1235
24 1611
25 1809
26 2418
27 2657
28 3643
29 3925
30 5521
31 5850
32 8433
33 8815
34 12995
35 13436
36 20200
37 20702
38 31647
39 32216
40 49926
41 50566
42 79222
43 79935
44 126302
45 127094
46 202118

List of values

[0, 1, 2, 5, 7, 13, 17, 28, 35, 53, 65, 94, 114, 156, 189, 248, 302, 380, 468, 569, 712, 842, 1074, 1235, 1611, 1809, 2418, 2657, 3643, 3925, 5521, 5850, 8433, 8815, 12995, 13436, 20200, 20702, 31647, 32216, 49926, 50566, 79222, 79935, 126302, 127094, 202118]

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

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