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.

A201066 Number of nX2 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.

Table of values

n a(n)
1 21
2 70
3 35
4 77
5 749
6 972
7 127
8 3034
9 7161
10 2170
11 3258
12 24178
13 22584
14 1925
15 44526
16 93370
17 24434
18 32166
19 212694
20 174093
21 12492
22 282808
23 559380
24 136472
25 168016
26 1042800
27 794792
28 51945
29 1159645
30 2215350
31 518715
32 613149
33 3656445
34 2665100

List of values

[21, 70, 35, 77, 749, 972, 127, 3034, 7161, 2170, 3258, 24178, 22584, 1925, 44526, 93370, 24434, 32166, 212694, 174093, 12492, 282808, 559380, 136472, 168016, 1042800, 794792, 51945, 1159645, 2215350, 518715, 613149, 3656445, 2665100]

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

Content is available under The OEIS End-User License Agreement.