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.

A265923 Number of n X 3 0..4 arrays with the absolute differences of each element with its with horizontal and antidiagonal neighbors unique.

Table of values

n a(n)
1 92
2 1740
3 17936
4 174000
5 1671744
6 15962560
7 152267520
8 1451371264
9 13834836992
10 131883277312
11 1257236156416
12 11986527891456
13 114277874876416
14 1089597587963904
15 10388632576131072
16 99054000222699520
17 944443268554031104
18 9005175397018238976
19 85862124616319762432

List of values

[92, 1740, 17936, 174000, 1671744, 15962560, 152267520, 1451371264, 13834836992, 131883277312, 1257236156416, 11986527891456, 114277874876416, 1089597587963904, 10388632576131072, 99054000222699520, 944443268554031104, 9005175397018238976, 85862124616319762432]

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

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