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.

A251425 Number of length n+2 0..5 arrays with the sum of the maximum minus twice the median plus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero.

Table of values

n a(n)
1 42
2 432
3 2532
4 18952
5 122452
6 791668
7 4868362
8 29782800
9 179832500
10 1084104408
11 6515269116
12 39138627524
13 234937479552
14 1410085029812
15 8461645099972
16 50774656443080
17 304660870764438
18 1828017536543716
19 10968256803665504

List of values

[42, 432, 2532, 18952, 122452, 791668, 4868362, 29782800, 179832500, 1084104408, 6515269116, 39138627524, 234937479552, 1410085029812, 8461645099972, 50774656443080, 304660870764438, 1828017536543716, 10968256803665504]

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

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