A194615 - cp's OEIS frontend

A194615 T(n,k) = Half the number of lower triangles of an (n+1) X (n+1) 0..k array with no element equal to the average of its horizontal and vertical neighbors.

n	a(n)
1	1
2	5
3	5
4	16
5	96
6	47
7	36
8	775
9	4322
10	849
11	69
12	3638
13	132214
14	571364
15	29241
16	117
17	12438
18	1674043
19	86867366
20	205801866
21	1901849
22	184
23	34247
24	12561823
25	3703163910
26	214726600125
27	202803700252
28	234932757
29	272
30	82057
31	66369488
32	73569838704

[1, 5, 5, 16, 96, 47, 36, 775, 4322, 849, 69, 3638, 132214, 571364, 29241, 117, 12438, 1674043, 86867366, 205801866, 1901849, 184, 34247, 12561823, 3703163910, 214726600125, 202803700252, 234932757, 272, 82057, 66369488, 73569838704]

cp's OEIS Frontend

A194615 T(n,k) = Half the number of lower triangles of an (n+1) X (n+1) 0..k array with no element equal to the average of its horizontal and vertical neighbors.

Table of values

List of values