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.

A115520 Number of ordered triples (i,j,k) in range [0..n] satisfying i == j mod 2 and j == k mod 3.

Table of values

n a(n)
0 1
1 2
2 5
3 12
4 23
5 36
6 61
7 88
8 123
9 170
10 227
11 288
12 373
13 462
14 565
15 688
16 827
17 972
18 1153
19 1340
20 1547
21 1782
22 2039
23 2304
24 2617
25 2938
26 3285
27 3668
28 4079
29 4500
30 4981
31 5472
32 5995
33 6562
34 7163
35 7776
36 8461
37 9158
38 9893
39 10680
40 11507
41 12348
42 13273
43 14212
44 15195
45 16238
46 17327
47 18432
48 19633

List of values

[1, 2, 5, 12, 23, 36, 61, 88, 123, 170, 227, 288, 373, 462, 565, 688, 827, 972, 1153, 1340, 1547, 1782, 2039, 2304, 2617, 2938, 3285, 3668, 4079, 4500, 4981, 5472, 5995, 6562, 7163, 7776, 8461, 9158, 9893, 10680, 11507, 12348, 13273, 14212, 15195, 16238, 17327, 18432, 19633]

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

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