A216334 - cp's OEIS frontend

A216334 Number of horizontal and antidiagonal neighbor colorings of the even squares of an n X 4 array with new integer colors introduced in row major order.

n	a(n)
1	1
2	5
3	42
4	726
5	15144
6	502658
7	18378580
8	950376664
9	52183667212
10	3788883495864
11	286529186194664
12	27420871472654064
13	2701657928740913416
14	326508788572113365896
15	40316833236311531705440
16	5965422648942609379676752
17	897057171450298448594594368
18	158723597386944654236759074832

[1, 5, 42, 726, 15144, 502658, 18378580, 950376664, 52183667212, 3788883495864, 286529186194664, 27420871472654064, 2701657928740913416, 326508788572113365896, 40316833236311531705440, 5965422648942609379676752, 897057171450298448594594368, 158723597386944654236759074832]

cp's OEIS Frontend

A216334 Number of horizontal and antidiagonal neighbor colorings of the even squares of an n X 4 array with new integer colors introduced in row major order.

Table of values

List of values