A222834 - cp's OEIS frontend

A222834 Number of n X 4 0..3 arrays with no element equal to another at a city block distance of exactly two, and new values 0..3 introduced in row major order.

n	a(n)
1	7
2	96
3	216
4	600
5	1536
6	4056
7	10584
8	27744
9	72600
10	190104
11	497664
12	1302936
13	3411096
14	8930400
15	23380056
16	61209816
17	160249344
18	419538264
19	1098365400
20	2875557984
21	7528308504
22	19709367576
23	51599794176
24	135090015000
25	353670250776

[7, 96, 216, 600, 1536, 4056, 10584, 27744, 72600, 190104, 497664, 1302936, 3411096, 8930400, 23380056, 61209816, 160249344, 419538264, 1098365400, 2875557984, 7528308504, 19709367576, 51599794176, 135090015000, 353670250776]

cp's OEIS Frontend

A222834 Number of n X 4 0..3 arrays with no element equal to another at a city block distance of exactly two, and new values 0..3 introduced in row major order.

Table of values

List of values