A221780 - cp's OEIS frontend

A221780 T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out left turns.

n	a(n)
1	1
2	3
3	1
4	8
5	25
6	1
7	21
8	258
9	184
10	1
11	55
12	2631
13	7676
14	1367
15	1
16	144
17	26861
18	311500
19	230621
20	10179
21	1
22	377
23	273816
24	12449782
25	36959565
26	6911480
27	75782
28	1
29	987
30	2792384
31	496125037
32	5758151603
33	4383899151
34	207263892
35	564169
36	1
37	2584
38	28476902

[1, 3, 1, 8, 25, 1, 21, 258, 184, 1, 55, 2631, 7676, 1367, 1, 144, 26861, 311500, 230621, 10179, 1, 377, 273816, 12449782, 36959565, 6911480, 75782, 1, 987, 2792384, 496125037, 5758151603, 4383899151, 207263892, 564169, 1, 2584, 28476902]

cp's OEIS Frontend

A221780 T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out left turns.

Table of values

List of values