A219360 - cp's OEIS frontend

A219360 Starting from a(1)=1, for any n the sum of the next a(n) numbers is a prime. No repetition of numbers is allowed. At any step the minimum integer not yet used and not leading to a contradiction is chosen.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	8
7	6
8	10
9	7
10	12
11	9
12	11
13	18
14	16
15	13
16	22
17	15
18	14
19	17
20	23
21	19
22	20
23	34
24	21
25	24
26	25
27	26
28	33
29	27
30	40
31	32
32	42
33	29
34	28
35	30
36	46
37	31
38	37
39	35
40	39
41	36
42	38
43	41
44	43
45	45
46	44
47	47
48	48
49	65
50	49
51	52
52	50
53	54
54	51
55	53
56	66
57	72
58	55
59	56
60	57
61	73
62	68
63	63
64	58
65	59
66	61
67	60
68	82

[1, 2, 3, 4, 5, 8, 6, 10, 7, 12, 9, 11, 18, 16, 13, 22, 15, 14, 17, 23, 19, 20, 34, 21, 24, 25, 26, 33, 27, 40, 32, 42, 29, 28, 30, 46, 31, 37, 35, 39, 36, 38, 41, 43, 45, 44, 47, 48, 65, 49, 52, 50, 54, 51, 53, 66, 72, 55, 56, 57, 73, 68, 63, 58, 59, 61, 60, 82]

cp's OEIS Frontend

A219360 Starting from a(1)=1, for any n the sum of the next a(n) numbers is a prime. No repetition of numbers is allowed. At any step the minimum integer not yet used and not leading to a contradiction is chosen.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	8
7	6
8	10
9	7
10	12
11	9
12	11
13	18
14	16
15	13
16	22
17	15
18	14
19	17
20	23
21	19
22	20
23	34
24	21
25	24
26	25
27	26
28	33
29	27
30	40
31	32
32	42
33	29
34	28
35	30
36	46
37	31
38	37
39	35
40	39
41	36
42	38
43	41
44	43
45	45
46	44
47	47
48	48
49	65
50	49
51	52
52	50
53	54
54	51
55	53
56	66
57	72
58	55
59	56
60	57
61	73
62	68
63	63
64	58
65	59
66	61
67	60
68	82

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	8
7	6
8	10
9	7
10	12
11	9
12	11
13	18
14	16
15	13
16	22
17	15
18	14
19	17
20	23
21	19
22	20
23	34
24	21
25	24
26	25
27	26
28	33
29	27
30	40
31	32
32	42
33	29
34	28
35	30
36	46
37	31
38	37
39	35
40	39
41	36
42	38
43	41
44	43
45	45
46	44
47	47
48	48
49	65
50	49
51	52
52	50
53	54
54	51
55	53
56	66
57	72
58	55
59	56
60	57
61	73
62	68
63	63
64	58
65	59
66	61
67	60
68	82

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	8
7	6
8	10
9	7
10	12
11	9
12	11
13	18
14	16
15	13
16	22
17	15
18	14
19	17
20	23
21	19
22	20
23	34
24	21
25	24
26	25
27	26
28	33
29	27
30	40
31	32
32	42
33	29
34	28
35	30
36	46
37	31
38	37
39	35
40	39
41	36
42	38
43	41
44	43
45	45
46	44
47	47
48	48
49	65
50	49
51	52
52	50
53	54
54	51
55	53
56	66
57	72
58	55
59	56
60	57
61	73
62	68
63	63
64	58
65	59
66	61
67	60
68	82