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.

A249191 Number of length n+6 0..2 arrays with no seven consecutive terms having four times the sum of any three elements equal to three times the sum of the remaining four.

Table of values

n a(n)
1 1792
2 4586
3 11874
4 30876
5 80354
6 208876
7 541624
8 1400008
9 3618986
10 9363890
11 24245852
12 62802512
13 162682626
14 421350312
15 1091065338
16 2824952300
17 7314373948
18 18939413676
19 49042889408
20 126997380012
21 328860987784
22 851576753420

List of values

[1792, 4586, 11874, 30876, 80354, 208876, 541624, 1400008, 3618986, 9363890, 24245852, 62802512, 162682626, 421350312, 1091065338, 2824952300, 7314373948, 18939413676, 49042889408, 126997380012, 328860987784, 851576753420]