A241438 - cp's OEIS frontend

A241438 Number of 4Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.

n	a(n)
1	7
2	3
3	97
4	515
5	1563
6	5915
7	22712
8	76145
9	270960
10	1073158
11	3818620
12	13721807
13	51728838
14	187790119
15	699951598
16	2604140270
17	9348611449
18	35299653581
19	130303556135
20	471759570058
21	1773938926867
22	6503523325619
23	23881500761462

[7, 3, 97, 515, 1563, 5915, 22712, 76145, 270960, 1073158, 3818620, 13721807, 51728838, 187790119, 699951598, 2604140270, 9348611449, 35299653581, 130303556135, 471759570058, 1773938926867, 6503523325619, 23881500761462]

cp's OEIS Frontend

A241438 Number of 4Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.

Table of values

List of values