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.

A301613 Number of nX6 0..1 arrays with every element equal to 1, 2 or 3 horizontally or vertically adjacent elements, with upper left element zero.

Table of values

n a(n)
1 5
2 361
3 12467
4 421025
5 14345706
6 488491106
7 16632517333
8 566336198475
9 19283659583317
10 656605634861657
11 22357328417975688
12 761263743052450453
13 25920919868772588676
14 882603544282198427622
15 30052522164474593294535

List of values

[5, 361, 12467, 421025, 14345706, 488491106, 16632517333, 566336198475, 19283659583317, 656605634861657, 22357328417975688, 761263743052450453, 25920919868772588676, 882603544282198427622, 30052522164474593294535]

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

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