A263795 - cp's OEIS frontend

A263795 Number of (n+1)X(4+1) 0..1 arrays with each row and column divisible by 3, read as a binary number with top and left being the most significant bits, and rows and columns lexicographically nonincreasing.

n	a(n)
1	3
2	3
3	7
4	7
5	17
6	18
7	56
8	66
9	218
10	272
11	798
12	1008
13	2567
14	3227
15	7290
16	9072
17	18622
18	22912
19	43560
20	52998
21	94678
22	113983
23	193427
24	230607
25	374843
26	442911
27	694073
28	813413
29	1235202
30	1436754
31	2122943
32	2452403
33	3537837
34	4061097
35	5735701
36	6545785
37	9072159

[3, 3, 7, 7, 17, 18, 56, 66, 218, 272, 798, 1008, 2567, 3227, 7290, 9072, 18622, 22912, 43560, 52998, 94678, 113983, 193427, 230607, 374843, 442911, 694073, 813413, 1235202, 1436754, 2122943, 2452403, 3537837, 4061097, 5735701, 6545785, 9072159]

cp's OEIS Frontend

A263795 Number of (n+1)X(4+1) 0..1 arrays with each row and column divisible by 3, read as a binary number with top and left being the most significant bits, and rows and columns lexicographically nonincreasing.

Table of values

List of values