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.

A245874 Number of length 5+2 0..n arrays with some pair in every consecutive three terms totalling exactly n.

Table of values

n a(n)
1 42
2 553
3 1764
4 4753
5 9726
6 18505
7 31176
8 50401
9 76050
10 111721
11 156972
12 216433
13 289254
14 381193
15 490896
16 625345
17 782586
18 970921
19 1187700
20 1442641
21 1732302
22 2067913
23 2445144
24 2876833
25 3357666
26 3902185
27 4503996
28 5179441
29 5920950
30 6746761

List of values

[42, 553, 1764, 4753, 9726, 18505, 31176, 50401, 76050, 111721, 156972, 216433, 289254, 381193, 490896, 625345, 782586, 970921, 1187700, 1442641, 1732302, 2067913, 2445144, 2876833, 3357666, 3902185, 4503996, 5179441, 5920950, 6746761]