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.

A267698 Q-toothpick sequence in the first quadrant starting with two Q-toothpicks centered at (1,3) and (3,1) respectively. The endpoints of the left hand Q-toothpick are at (0,3) and (1,4). The endpoints of the right hand Q-toothpick are at (3,0) and (4,1). With a(0) = 0.

Table of values

n a(n)
0 0
1 2
2 6
3 13
4 25
5 32
6 44
7 59
8 79
9 86
10 98
11 113
12 133
13 148
14 176
15 215
16 251
17 258
18 270
19 285
20 305
21 320
22 348
23 387
24 423
25 438

List of values

[0, 2, 6, 13, 25, 32, 44, 59, 79, 86, 98, 113, 133, 148, 176, 215, 251, 258, 270, 285, 305, 320, 348, 387, 423, 438]

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

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