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.

A183901 Number of nondecreasing arrangements of n+3 numbers in 0..6 with each number being the sum mod 7 of three others.

Table of values

n a(n)
1 1
2 1
3 136
4 664
5 1720
6 3491
7 6263
8 10400
9 16357
10 24694
11 36091
12 51364
13 71482
14 97585
15 131003
16 173276
17 226175
18 291724
19 372223
20 470272
21 588796
22 731071
23 900751
24 1101896
25 1339001
26 1617026
27 1941427
28 2318188
29 2753854
30 3255565
31 3831091
32 4488868
33 5238035

List of values

[1, 1, 136, 664, 1720, 3491, 6263, 10400, 16357, 24694, 36091, 51364, 71482, 97585, 131003, 173276, 226175, 291724, 372223, 470272, 588796, 731071, 900751, 1101896, 1339001, 1617026, 1941427, 2318188, 2753854, 3255565, 3831091, 4488868, 5238035]