A206650 - cp's OEIS frontend

A206650 T(n,k)=Number of nXk 0..2 arrays with no occurrence of three equal elements in a row horizontally or vertically, and new values 0..2 introduced in row major order.

n	a(n)
1	1
2	2
3	2
4	4
5	14
6	4
7	11
8	96
9	96
10	11
11	30
12	726
13	1625
14	726
15	30
16	82
17	5400
18	30145
19	30145
20	5400
21	82
22	224
23	40344
24	545520
25	1414023
26	545520
27	40344
28	224
29	612
30	301056
31	9937823
32	64166392
33	64166392
34	9937823
35	301056
36	612
37	1672
38	2247264
39	180716227
40	2937839117

[1, 2, 2, 4, 14, 4, 11, 96, 96, 11, 30, 726, 1625, 726, 30, 82, 5400, 30145, 30145, 5400, 82, 224, 40344, 545520, 1414023, 545520, 40344, 224, 612, 301056, 9937823, 64166392, 64166392, 9937823, 301056, 612, 1672, 2247264, 180716227, 2937839117]

cp's OEIS Frontend

A206650 T(n,k)=Number of nXk 0..2 arrays with no occurrence of three equal elements in a row horizontally or vertically, and new values 0..2 introduced in row major order.

Table of values

List of values