A334404 - cp's OEIS frontend

A334404 a(0)=0; for n>0, a(n) is an integer not previously seen such that the sum of all previous terms plus a(n) equals the smallest prime number not yet created by any previous sum.

n	a(n)
0	0
1	2
2	1
3	4
4	-2
5	6
6	8
7	-6
8	10
9	14
10	-20
11	12
12	18
13	-16
14	22
15	-12
16	20
17	-18
18	16
19	24
20	-10
21	28
22	-34
23	30
24	-26
25	32
26	-24
27	34
28	-4
29	40
30	-60
31	38
32	36
33	-56
34	44
35	-14
36	42
37	-48
38	26
39	54
40	-72
41	52
42	48
43	-66
44	50
45	-42
46	46
47	-30
48	60
49	-90
50	62
51	-36
52	58
53	-52
54	64
55	-22
56	-8
57	74
58	-38
59	68
60	-54
61	66
62	-78
63	76
64	-70
65	82
66	-46

[0, 2, 1, 4, -2, 6, 8, -6, 10, 14, -20, 12, 18, -16, 22, -12, 20, -18, 16, 24, -10, 28, -34, 30, -26, 32, -24, 34, -4, 40, -60, 38, 36, -56, 44, -14, 42, -48, 26, 54, -72, 52, 48, -66, 50, -42, 46, -30, 60, -90, 62, -36, 58, -52, 64, -22, -8, 74, -38, 68, -54, 66, -78, 76, -70, 82, -46]

cp's OEIS Frontend

A334404 a(0)=0; for n>0, a(n) is an integer not previously seen such that the sum of all previous terms plus a(n) equals the smallest prime number not yet created by any previous sum.

Table of values

List of values

n	a(n)
0	0
1	2
2	1
3	4
4	-2
5	6
6	8
7	-6
8	10
9	14
10	-20
11	12
12	18
13	-16
14	22
15	-12
16	20
17	-18
18	16
19	24
20	-10
21	28
22	-34
23	30
24	-26
25	32
26	-24
27	34
28	-4
29	40
30	-60
31	38
32	36
33	-56
34	44
35	-14
36	42
37	-48
38	26
39	54
40	-72
41	52
42	48
43	-66
44	50
45	-42
46	46
47	-30
48	60
49	-90
50	62
51	-36
52	58
53	-52
54	64
55	-22
56	-8
57	74
58	-38
59	68
60	-54
61	66
62	-78
63	76
64	-70
65	82
66	-46

n	a(n)
0	0
1	2
2	1
3	4
4	-2
5	6
6	8
7	-6
8	10
9	14
10	-20
11	12
12	18
13	-16
14	22
15	-12
16	20
17	-18
18	16
19	24
20	-10
21	28
22	-34
23	30
24	-26
25	32
26	-24
27	34
28	-4
29	40
30	-60
31	38
32	36
33	-56
34	44
35	-14
36	42
37	-48
38	26
39	54
40	-72
41	52
42	48
43	-66
44	50
45	-42
46	46
47	-30
48	60
49	-90
50	62
51	-36
52	58
53	-52
54	64
55	-22
56	-8
57	74
58	-38
59	68
60	-54
61	66
62	-78
63	76
64	-70
65	82
66	-46

n	a(n)
0	0
1	2
2	1
3	4
4	-2
5	6
6	8
7	-6
8	10
9	14
10	-20
11	12
12	18
13	-16
14	22
15	-12
16	20
17	-18
18	16
19	24
20	-10
21	28
22	-34
23	30
24	-26
25	32
26	-24
27	34
28	-4
29	40
30	-60
31	38
32	36
33	-56
34	44
35	-14
36	42
37	-48
38	26
39	54
40	-72
41	52
42	48
43	-66
44	50
45	-42
46	46
47	-30
48	60
49	-90
50	62
51	-36
52	58
53	-52
54	64
55	-22
56	-8
57	74
58	-38
59	68
60	-54
61	66
62	-78
63	76
64	-70
65	82
66	-46