A121862 - cp's OEIS frontend

A121862 Least previously nonoccurring positive integer such that partial sum + 2 is prime.

n	a(n)
1	1
2	2
3	6
4	8
5	4
6	14
7	10
8	12
9	20
10	18
11	16
12	24
13	26
14	28
15	32
16	34
17	36
18	38
19	22
20	30
21	48
22	56
23	54
24	46
25	44
26	42
27	60
28	40
29	50
30	58
31	66
32	62
33	52
34	68
35	64
36	84
37	90
38	72
39	92
40	70
41	96
42	80
43	94
44	78
45	104
46	76
47	74
48	106
49	102
50	110
51	88
52	98
53	82
54	108
55	114
56	126
57	116
58	118
59	86
60	100
61	120
62	144
63	122
64	130
65	128
66	136

[1, 2, 6, 8, 4, 14, 10, 12, 20, 18, 16, 24, 26, 28, 32, 34, 36, 38, 22, 30, 48, 56, 54, 46, 44, 42, 60, 40, 50, 58, 66, 62, 52, 68, 64, 84, 90, 72, 92, 70, 96, 80, 94, 78, 104, 76, 74, 106, 102, 110, 88, 98, 82, 108, 114, 126, 116, 118, 86, 100, 120, 144, 122, 130, 128, 136]

cp's OEIS Frontend

A121862 Least previously nonoccurring positive integer such that partial sum + 2 is prime.

Table of values

List of values

n	a(n)
1	1
2	2
3	6
4	8
5	4
6	14
7	10
8	12
9	20
10	18
11	16
12	24
13	26
14	28
15	32
16	34
17	36
18	38
19	22
20	30
21	48
22	56
23	54
24	46
25	44
26	42
27	60
28	40
29	50
30	58
31	66
32	62
33	52
34	68
35	64
36	84
37	90
38	72
39	92
40	70
41	96
42	80
43	94
44	78
45	104
46	76
47	74
48	106
49	102
50	110
51	88
52	98
53	82
54	108
55	114
56	126
57	116
58	118
59	86
60	100
61	120
62	144
63	122
64	130
65	128
66	136

n	a(n)
1	1
2	2
3	6
4	8
5	4
6	14
7	10
8	12
9	20
10	18
11	16
12	24
13	26
14	28
15	32
16	34
17	36
18	38
19	22
20	30
21	48
22	56
23	54
24	46
25	44
26	42
27	60
28	40
29	50
30	58
31	66
32	62
33	52
34	68
35	64
36	84
37	90
38	72
39	92
40	70
41	96
42	80
43	94
44	78
45	104
46	76
47	74
48	106
49	102
50	110
51	88
52	98
53	82
54	108
55	114
56	126
57	116
58	118
59	86
60	100
61	120
62	144
63	122
64	130
65	128
66	136

n	a(n)
1	1
2	2
3	6
4	8
5	4
6	14
7	10
8	12
9	20
10	18
11	16
12	24
13	26
14	28
15	32
16	34
17	36
18	38
19	22
20	30
21	48
22	56
23	54
24	46
25	44
26	42
27	60
28	40
29	50
30	58
31	66
32	62
33	52
34	68
35	64
36	84
37	90
38	72
39	92
40	70
41	96
42	80
43	94
44	78
45	104
46	76
47	74
48	106
49	102
50	110
51	88
52	98
53	82
54	108
55	114
56	126
57	116
58	118
59	86
60	100
61	120
62	144
63	122
64	130
65	128
66	136