A216080 - cp's OEIS frontend

A216080 Number of horizontal and antidiagonal neighbor colorings of the odd squares of an nX4 array with new integer colors introduced in row major order.

n	a(n)
1	1
2	4
3	42
4	602
5	15144
6	433252
7	18378580
8	839621092
9	52183667212
10	3404551437592
11	286529186194664
12	24947253698767632
13	2701657928740913416
14	299900819552115769424
15	40316833236311531705440
16	5520994078882300886182032

[1, 4, 42, 602, 15144, 433252, 18378580, 839621092, 52183667212, 3404551437592, 286529186194664, 24947253698767632, 2701657928740913416, 299900819552115769424, 40316833236311531705440, 5520994078882300886182032]

cp's OEIS Frontend

A216080 Number of horizontal and antidiagonal neighbor colorings of the odd squares of an nX4 array with new integer colors introduced in row major order.

Table of values

List of values