A213962 - cp's OEIS frontend

A213962 T(n,k)=Number of n X n 0..k matrices with row and column i=1..n having sum <= i*k.

n	a(n)
1	2
2	3
3	10
4	4
5	42
6	138
7	5
8	120
9	3186
10	5314
11	6
12	275
13	32060
14	1299735
15	575122
16	7
17	546
18	199735
19	74323976
20	2860343784
21	176041978
22	8
23	980
24	909900
25	1839121115
26	1494988224948
27	34107691901433
28	153143689594
29	9
30	1632
31	3323712
32	26346319032
33	214090209950060

[2, 3, 10, 4, 42, 138, 5, 120, 3186, 5314, 6, 275, 32060, 1299735, 575122, 7, 546, 199735, 74323976, 2860343784, 176041978, 8, 980, 909900, 1839121115, 1494988224948, 34107691901433, 153143689594, 9, 1632, 3323712, 26346319032, 214090209950060]

cp's OEIS Frontend

A213962 T(n,k)=Number of n X n 0..k matrices with row and column i=1..n having sum <= i*k.

Table of values

List of values