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.

A374821 Antichain-Boolean Quilt Numbers: Square table of the number of ASM quilts of type B_n x A_2(j) read down antidiagonals, where B_n is the Boolean lattice and A_2(j) is the rank 2 poset with a unique minimal and maximal element and j atoms.

Table of values

n a(n)
1 2
2 4
3 4
4 8
5 16
6 199
7 16
8 64
9 2309
10 47000
11 32
12 256
13 28225
14 4001278
15 410131245
16 64
17 1024
18 364217
19 384285926

List of values

[2, 4, 4, 8, 16, 199, 16, 64, 2309, 47000, 32, 256, 28225, 4001278, 410131245, 64, 1024, 364217, 384285926]

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

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