A216025 - cp's OEIS frontend

A216025 Number of horizontal, vertical and diagonal neighbor colorings of the odd squares of an nX2 array with new integer colors introduced in row major order.

n	a(n)
1	1
2	2
3	2
4	5
5	12
6	42
7	136
8	602
9	2440
10	12840
11	61912
12	373780
13	2075312
14	14050312
15	87852160
16	656404264
17	4548247264
18	37060650272
19	281121815712
20	2475181138384
21	20358402201792
22	192262536609952
23	1701534399324544
24	17131843186425504

[1, 2, 2, 5, 12, 42, 136, 602, 2440, 12840, 61912, 373780, 2075312, 14050312, 87852160, 656404264, 4548247264, 37060650272, 281121815712, 2475181138384, 20358402201792, 192262536609952, 1701534399324544, 17131843186425504]

cp's OEIS Frontend

A216025 Number of horizontal, vertical and diagonal neighbor colorings of the odd squares of an nX2 array with new integer colors introduced in row major order.

Table of values

List of values