A240003 - cp's OEIS frontend

A240003 Number of 4Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.

n	a(n)
1	28
2	256
3	1372
4	6527
5	27415
6	104291
7	363859
8	1173141
9	3539402
10	10055917
11	27072084
12	69433880
13	170442542
14	402042194
15	914489241
16	2012051851
17	4293710454
18	8908363984
19	18007433696
20	35530979384
21	68546844725
22	129490989279
23	239852605993

[28, 256, 1372, 6527, 27415, 104291, 363859, 1173141, 3539402, 10055917, 27072084, 69433880, 170442542, 402042194, 914489241, 2012051851, 4293710454, 8908363984, 18007433696, 35530979384, 68546844725, 129490989279, 239852605993]

cp's OEIS Frontend

A240003 Number of 4Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.

Table of values

List of values