A280552 - cp's OEIS frontend

A280552 Number of n X 6 0..1 arrays with no element equal to more than one of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

n	a(n)
1	6
2	194
3	670
4	1666
5	3438
6	6502
7	11697
8	20440
9	35226
10	60300
11	102974
12	175746
13	299975
14	512080
15	874058
16	1491286
17	2542606
18	4331134
19	7369949
20	12526488
21	21265610
22	36058400
23	61069118
24	103308602
25	174569331
26	294669456
27	496887354
28	837059626

[6, 194, 670, 1666, 3438, 6502, 11697, 20440, 35226, 60300, 102974, 175746, 299975, 512080, 874058, 1491286, 2542606, 4331134, 7369949, 12526488, 21265610, 36058400, 61069118, 103308602, 174569331, 294669456, 496887354, 837059626]

cp's OEIS Frontend

A280552 Number of n X 6 0..1 arrays with no element equal to more than one of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

Table of values

List of values