A240001 - cp's OEIS frontend

A240001 Number of 2 X n 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	5
2	13
3	25
4	42
5	65
6	95
7	133
8	180
9	237
10	305
11	385
12	478
13	585
14	707
15	845
16	1000
17	1173
18	1365
19	1577
20	1810
21	2065
22	2343
23	2645
24	2972
25	3325
26	3705
27	4113
28	4550
29	5017
30	5515
31	6045
32	6608
33	7205
34	7837
35	8505
36	9210
37	9953
38	10735
39	11557
40	12420
41	13325
42	14273
43	15265
44	16302

[5, 13, 25, 42, 65, 95, 133, 180, 237, 305, 385, 478, 585, 707, 845, 1000, 1173, 1365, 1577, 1810, 2065, 2343, 2645, 2972, 3325, 3705, 4113, 4550, 5017, 5515, 6045, 6608, 7205, 7837, 8505, 9210, 9953, 10735, 11557, 12420, 13325, 14273, 15265, 16302]

cp's OEIS Frontend

A240001 Number of 2 X n 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