A241352 - cp's OEIS frontend

A241352 Number of n X 4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of 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	6
2	17
3	51
4	128
5	248
6	624
7	1323
8	2715
9	5798
10	11469
11	22610
12	44855
13	88994
14	180577
15	367607
16	733516
17	1503885
18	3019433
19	6043861
20	12320601
21	24650945
22	49784403
23	100845525
24	202178447
25	409323604
26	825183533
27	1660318484
28	3359379163

[6, 17, 51, 128, 248, 624, 1323, 2715, 5798, 11469, 22610, 44855, 88994, 180577, 367607, 733516, 1503885, 3019433, 6043861, 12320601, 24650945, 49784403, 100845525, 202178447, 409323604, 825183533, 1660318484, 3359379163]

cp's OEIS Frontend

A241352 Number of n X 4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of 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