A241257 - cp's OEIS frontend

A241257 Number of 3Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or zero 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	4
2	17
3	13
4	34
5	71
6	135
7	356
8	734
9	1705
10	3914
11	8291
12	19714
13	42700
14	93528
15	214479
16	462299
17	1030477
18	2304077
19	5035291
20	11240675
21	24870524
22	54876698
23	121998539
24	269425049
25	596725510
26	1322494224
27	2923575132
28	6478965125
29	14341026682

[4, 17, 13, 34, 71, 135, 356, 734, 1705, 3914, 8291, 19714, 42700, 93528, 214479, 462299, 1030477, 2304077, 5035291, 11240675, 24870524, 54876698, 121998539, 269425049, 596725510, 1322494224, 2923575132, 6478965125, 14341026682]

cp's OEIS Frontend

A241257 Number of 3Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or zero 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