A195805 - cp's OEIS frontend

A195805 T(n,k)=Number of triangular nXnXn 0..k arrays with all rows and diagonals having the same length having the same sum, with corners zero.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	3
10	8
11	1
12	1
13	4
14	27
15	16
16	1
17	1
18	5
19	64
20	105
21	64
22	1
23	1
24	6
25	125
26	496
27	1695
28	1184
29	1
30	1
31	7
32	216
33	1759
34	24928
35	284427
36	5300
37	1
38	1
39	8
40	343
41	5052
42	213319
43	17528896
44	11606931
45	130324
46	1
47	1
48	9
49	512
50	12469
51	1274808

[1, 1, 1, 1, 1, 2, 1, 1, 3, 8, 1, 1, 4, 27, 16, 1, 1, 5, 64, 105, 64, 1, 1, 6, 125, 496, 1695, 1184, 1, 1, 7, 216, 1759, 24928, 284427, 5300, 1, 1, 8, 343, 5052, 213319, 17528896, 11606931, 130324, 1, 1, 9, 512, 12469, 1274808]

cp's OEIS Frontend

A195805 T(n,k)=Number of triangular nXnXn 0..k arrays with all rows and diagonals having the same length having the same sum, with corners zero.

Table of values

List of values