A241359 - cp's OEIS frontend

A241359 Number of 4Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.

n	a(n)
1	7
2	4
3	55
4	128
5	228
6	1721
7	5663
8	11909
9	69946
10	220363
11	570699
12	2878602
13	8802473
14	26886516
15	121529632
16	369658890
17	1215513262
18	5099671734
19	15392472866
20	53972192998
21	212784319669
22	651213834921
23	2381746719520
24	8889638737979

[7, 4, 55, 128, 228, 1721, 5663, 11909, 69946, 220363, 570699, 2878602, 8802473, 26886516, 121529632, 369658890, 1215513262, 5099671734, 15392472866, 53972192998, 212784319669, 651213834921, 2381746719520, 8889638737979]

cp's OEIS Frontend

A241359 Number of 4Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.

Table of values

List of values