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.

A249190 Number of length n+6 0..1 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)
1 126
2 250
3 496
4 984
5 1952
6 3872
7 7680
8 15234
9 30218
10 59940
11 118896
12 235840
13 467808
14 927936
15 1840638
16 3651058
17 7242176
18 14365456
19 28495072
20 56522336
21 112116736
22 222392834
23 441134610
24 875027044
25 1735688632
26 3442882192
27 6829242048

List of values

[126, 250, 496, 984, 1952, 3872, 7680, 15234, 30218, 59940, 118896, 235840, 467808, 927936, 1840638, 3651058, 7242176, 14365456, 28495072, 56522336, 112116736, 222392834, 441134610, 875027044, 1735688632, 3442882192, 6829242048]