A229774 - cp's OEIS frontend

A229774 T(n,k)=Number of n X n 0..k arrays with rows in lexicographically nondecreasing order and columns in nonincreasing order.

n	a(n)
1	2
2	3
3	6
4	4
5	22
6	20
7	5
8	60
9	322
10	70
11	6
12	135
13	3232
14	12958
15	252
16	7
17	266
18	21331
19	1058494
20	2179956
21	924
22	8
23	476
24	103222
25	35452250
26	3062815568
27	1976588468
28	3432
29	9
30	792
31	397460
32	637396928
33	843211336888
34	90462380211862
35	10811999412826
36	12870
37	10

[2, 3, 6, 4, 22, 20, 5, 60, 322, 70, 6, 135, 3232, 12958, 252, 7, 266, 21331, 1058494, 2179956, 924, 8, 476, 103222, 35452250, 3062815568, 1976588468, 3432, 9, 792, 397460, 637396928, 843211336888, 90462380211862, 10811999412826, 12870, 10]

cp's OEIS Frontend

A229774 T(n,k)=Number of n X n 0..k arrays with rows in lexicographically nondecreasing order and columns in nonincreasing order.

Table of values

List of values