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.

A250955 Number of (n+1) X (7+1) 0..1 arrays with no 2 X 2 subblock having its maximum diagonal element less than its minimum antidiagonal element.

Table of values

n a(n)
1 40545
2 6588344
3 1068793208
4 173396103624
5 28130774228952
6 4563772381621072
7 740399698245965774
8 120118108984608820672
9 19487258188664690627928
10 3161498585197751785301512
11 512903006004112848693757874

List of values

[40545, 6588344, 1068793208, 173396103624, 28130774228952, 4563772381621072, 740399698245965774, 120118108984608820672, 19487258188664690627928, 3161498585197751785301512, 512903006004112848693757874]

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

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