A294793 - cp's OEIS frontend

A294793 Triangle read by rows, 1 <= k <= n: T(n,k) = non-isomorphic colorings of a toroidal n X k grid using exactly four colors under translational symmetry and swappable colors.

n	a(n)
1	0
2	0
3	1
4	0
5	13
6	874
7	1
8	235
9	51075
10	10741819
11	2
12	3437
13	2823766
14	2261625725
15	1870851589562
16	13
17	51275
18	155495153
19	486711524815
20	1600136051453135
21	5465007068038102643
22	50
23	742651
24	8643289534
25	107092397450897
26	1405227969932349726
27	19188864521773558375127
28	269482732023591671431784330
29	221
30	10741763
31	486710971595
32	24009547064476683

[0, 0, 1, 0, 13, 874, 1, 235, 51075, 10741819, 2, 3437, 2823766, 2261625725, 1870851589562, 13, 51275, 155495153, 486711524815, 1600136051453135, 5465007068038102643, 50, 742651, 8643289534, 107092397450897, 1405227969932349726, 19188864521773558375127, 269482732023591671431784330, 221, 10741763, 486710971595, 24009547064476683]

cp's OEIS Frontend

A294793 Triangle read by rows, 1 <= k <= n: T(n,k) = non-isomorphic colorings of a toroidal n X k grid using exactly four colors under translational symmetry and swappable colors.

Table of values

List of values