A254219 - cp's OEIS frontend

A254219 Number of length 2 1..(n+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal.

n	a(n)
1	0
2	0
3	0
4	2
5	2
6	8
7	12
8	18
9	18
10	28
11	28
12	40
13	50
14	64
15	64
16	82
17	82
18	102
19	118
20	136
21	136
22	164
23	182
24	210
25	232
26	260
27	260
28	296
29	296
30	328
31	356
32	392
33	424
34	466
35	466
36	506
37	542
38	586
39	586
40	638
41	638
42	686
43	728
44	778
45	778
46	838
47	884
48	944
49	994
50	1050
51	1050
52	1118
53	1168
54	1236
55	1290
56	1352
57	1352

[0, 0, 0, 2, 2, 8, 12, 18, 18, 28, 28, 40, 50, 64, 64, 82, 82, 102, 118, 136, 136, 164, 182, 210, 232, 260, 260, 296, 296, 328, 356, 392, 424, 466, 466, 506, 542, 586, 586, 638, 638, 686, 728, 778, 778, 838, 884, 944, 994, 1050, 1050, 1118, 1168, 1236, 1290, 1352, 1352]

cp's OEIS Frontend

A254219 Number of length 2 1..(n+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal.

Table of values

List of values