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.

A005321 Upper triangular n X n (0,1)-matrices with no zero rows or columns.

Table of values

n a(n)
0 1
1 1
2 2
3 10
4 122
5 3346
6 196082
7 23869210
8 5939193962
9 2992674197026
10 3037348468846562
11 6189980791404487210
12 25285903982959247885402
13 206838285372171652078912306
14 3386147595754801373061066905042
15 110909859519858523995273393471390010

List of values

[1, 1, 2, 10, 122, 3346, 196082, 23869210, 5939193962, 2992674197026, 3037348468846562, 6189980791404487210, 25285903982959247885402, 206838285372171652078912306, 3386147595754801373061066905042, 110909859519858523995273393471390010]

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

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