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.

A081266 Staggered diagonal of triangular spiral in A051682.

Table of values

n a(n)
0 0
1 6
2 21
3 45
4 78
5 120
6 171
7 231
8 300
9 378
10 465
11 561
12 666
13 780
14 903
15 1035
16 1176
17 1326
18 1485
19 1653
20 1830
21 2016
22 2211
23 2415
24 2628
25 2850
26 3081
27 3321
28 3570
29 3828
30 4095
31 4371
32 4656
33 4950
34 5253
35 5565
36 5886
37 6216
38 6555
39 6903
40 7260
41 7626
42 8001
43 8385
44 8778
45 9180

List of values

[0, 6, 21, 45, 78, 120, 171, 231, 300, 378, 465, 561, 666, 780, 903, 1035, 1176, 1326, 1485, 1653, 1830, 2016, 2211, 2415, 2628, 2850, 3081, 3321, 3570, 3828, 4095, 4371, 4656, 4950, 5253, 5565, 5886, 6216, 6555, 6903, 7260, 7626, 8001, 8385, 8778, 9180]

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

Content is available under The OEIS End-User License Agreement.