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.

A249207 Number of length n+6 0..3 arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five.

Table of values

n a(n)
1 14336
2 51200
3 183516
4 658448
5 2363528
6 8486156
7 30475714
8 109474166
9 393232196
10 1412652056
11 5075187032
12 18233890510
13 65510631030
14 235369064306
15 845649181758
16 3038313571704
17 10916323664982
18 39221255161200
19 140918266479766

List of values

[14336, 51200, 183516, 658448, 2363528, 8486156, 30475714, 109474166, 393232196, 1412652056, 5075187032, 18233890510, 65510631030, 235369064306, 845649181758, 3038313571704, 10916323664982, 39221255161200, 140918266479766]

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

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