A073662 - cp's OEIS frontend

A073662 Rearrangement of even numbers such that a(k)*a(k+1) + 1 is a prime for all k.

n	a(n)
1	2
2	6
3	10
4	4
5	18
6	22
7	16
8	12
9	8
10	14
11	20
12	26
13	36
14	28
15	24
16	32
17	38
18	42
19	34
20	30
21	40
22	52
23	46
24	66
25	48
26	44
27	54
28	64
29	70
30	60
31	50
32	56
33	80
34	68
35	62
36	84
37	74
38	90
39	72
40	58
41	76
42	88
43	94
44	78
45	82
46	96
47	100
48	106
49	120
50	86
51	98
52	104
53	122
54	108
55	112
56	118
57	102
58	116
59	132
60	124
61	142
62	114
63	110
64	128
65	92

[2, 6, 10, 4, 18, 22, 16, 12, 8, 14, 20, 26, 36, 28, 24, 32, 38, 42, 34, 30, 40, 52, 46, 66, 48, 44, 54, 64, 70, 60, 50, 56, 80, 68, 62, 84, 74, 90, 72, 58, 76, 88, 94, 78, 82, 96, 100, 106, 120, 86, 98, 104, 122, 108, 112, 118, 102, 116, 132, 124, 142, 114, 110, 128, 92]

cp's OEIS Frontend

A073662 Rearrangement of even numbers such that a(k)*a(k+1) + 1 is a prime for all k.

Table of values

List of values

n	a(n)
1	2
2	6
3	10
4	4
5	18
6	22
7	16
8	12
9	8
10	14
11	20
12	26
13	36
14	28
15	24
16	32
17	38
18	42
19	34
20	30
21	40
22	52
23	46
24	66
25	48
26	44
27	54
28	64
29	70
30	60
31	50
32	56
33	80
34	68
35	62
36	84
37	74
38	90
39	72
40	58
41	76
42	88
43	94
44	78
45	82
46	96
47	100
48	106
49	120
50	86
51	98
52	104
53	122
54	108
55	112
56	118
57	102
58	116
59	132
60	124
61	142
62	114
63	110
64	128
65	92

n	a(n)
1	2
2	6
3	10
4	4
5	18
6	22
7	16
8	12
9	8
10	14
11	20
12	26
13	36
14	28
15	24
16	32
17	38
18	42
19	34
20	30
21	40
22	52
23	46
24	66
25	48
26	44
27	54
28	64
29	70
30	60
31	50
32	56
33	80
34	68
35	62
36	84
37	74
38	90
39	72
40	58
41	76
42	88
43	94
44	78
45	82
46	96
47	100
48	106
49	120
50	86
51	98
52	104
53	122
54	108
55	112
56	118
57	102
58	116
59	132
60	124
61	142
62	114
63	110
64	128
65	92

n	a(n)
1	2
2	6
3	10
4	4
5	18
6	22
7	16
8	12
9	8
10	14
11	20
12	26
13	36
14	28
15	24
16	32
17	38
18	42
19	34
20	30
21	40
22	52
23	46
24	66
25	48
26	44
27	54
28	64
29	70
30	60
31	50
32	56
33	80
34	68
35	62
36	84
37	74
38	90
39	72
40	58
41	76
42	88
43	94
44	78
45	82
46	96
47	100
48	106
49	120
50	86
51	98
52	104
53	122
54	108
55	112
56	118
57	102
58	116
59	132
60	124
61	142
62	114
63	110
64	128
65	92