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.

A300471 Number of n X 7 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 64
2 5536
3 180397
4 7121067
5 284885784
6 11408562672
7 456303004550
8 18253046515989
9 730219136878799
10 29212758892049864
11 1168662232086807413
12 46752555205748619684
13 1870345397930689285305
14 74823548553594183996315

List of values

[64, 5536, 180397, 7121067, 284885784, 11408562672, 456303004550, 18253046515989, 730219136878799, 29212758892049864, 1168662232086807413, 46752555205748619684, 1870345397930689285305, 74823548553594183996315]

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

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