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.

A224269 Consider the spiral of Theodorus (A072895). This sequence gives the number of k successive triangles which is closer to 360 degrees than any previous k triangles.

Table of values

n a(n)
1 17
2 53
3 185
4 396
5 4926
6 9086
7 20291
8 28083
9 440835
10 579644
11 1819320
12 3032895
13 8305458
14 15159436
15 29824343
16 46104922
17 88019569
18 89143145
19 94929121
20 107958869
21 227428224
22 402409536
23 527154160

List of values

[17, 53, 185, 396, 4926, 9086, 20291, 28083, 440835, 579644, 1819320, 3032895, 8305458, 15159436, 29824343, 46104922, 88019569, 89143145, 94929121, 107958869, 227428224, 402409536, 527154160]

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

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