A332301 - cp's OEIS frontend

A332301 a(1) = 1, a(2) = 2; for n > 2, a(n) is the smallest divisor of the sum of the previous two terms that has not yet appeared. If all divisors have appeared then a(n) equals the sum.

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	9
7	13
8	11
9	6
10	17
11	23
12	8
13	31
14	39
15	7
16	46
17	53
18	33
19	43
20	19
21	62
22	27
23	89
24	29
25	59
26	22
27	81
28	103
29	92
30	15
31	107
32	61
33	12
34	73
35	85
36	79
37	41
38	10
39	51
40	61
41	14
42	25
43	39
44	16
45	55
46	71
47	18
48	89
49	107
50	28
51	45
52	73
53	118
54	191
55	309
56	20
57	47
58	67
59	38
60	21
61	59
62	40
63	99
64	139
65	34
66	173
67	69
68	121
69	95
70	24
71	119
72	143
73	131
74	137
75	134
76	271
77	135
78	58
79	193

[1, 2, 3, 5, 4, 9, 13, 11, 6, 17, 23, 8, 31, 39, 7, 46, 53, 33, 43, 19, 62, 27, 89, 29, 59, 22, 81, 103, 92, 15, 107, 61, 12, 73, 85, 79, 41, 10, 51, 61, 14, 25, 39, 16, 55, 71, 18, 89, 107, 28, 45, 73, 118, 191, 309, 20, 47, 67, 38, 21, 59, 40, 99, 139, 34, 173, 69, 121, 95, 24, 119, 143, 131, 137, 134, 271, 135, 58, 193]

cp's OEIS Frontend

A332301 a(1) = 1, a(2) = 2; for n > 2, a(n) is the smallest divisor of the sum of the previous two terms that has not yet appeared. If all divisors have appeared then a(n) equals the sum.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	9
7	13
8	11
9	6
10	17
11	23
12	8
13	31
14	39
15	7
16	46
17	53
18	33
19	43
20	19
21	62
22	27
23	89
24	29
25	59
26	22
27	81
28	103
29	92
30	15
31	107
32	61
33	12
34	73
35	85
36	79
37	41
38	10
39	51
40	61
41	14
42	25
43	39
44	16
45	55
46	71
47	18
48	89
49	107
50	28
51	45
52	73
53	118
54	191
55	309
56	20
57	47
58	67
59	38
60	21
61	59
62	40
63	99
64	139
65	34
66	173
67	69
68	121
69	95
70	24
71	119
72	143
73	131
74	137
75	134
76	271
77	135
78	58
79	193

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	9
7	13
8	11
9	6
10	17
11	23
12	8
13	31
14	39
15	7
16	46
17	53
18	33
19	43
20	19
21	62
22	27
23	89
24	29
25	59
26	22
27	81
28	103
29	92
30	15
31	107
32	61
33	12
34	73
35	85
36	79
37	41
38	10
39	51
40	61
41	14
42	25
43	39
44	16
45	55
46	71
47	18
48	89
49	107
50	28
51	45
52	73
53	118
54	191
55	309
56	20
57	47
58	67
59	38
60	21
61	59
62	40
63	99
64	139
65	34
66	173
67	69
68	121
69	95
70	24
71	119
72	143
73	131
74	137
75	134
76	271
77	135
78	58
79	193

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	9
7	13
8	11
9	6
10	17
11	23
12	8
13	31
14	39
15	7
16	46
17	53
18	33
19	43
20	19
21	62
22	27
23	89
24	29
25	59
26	22
27	81
28	103
29	92
30	15
31	107
32	61
33	12
34	73
35	85
36	79
37	41
38	10
39	51
40	61
41	14
42	25
43	39
44	16
45	55
46	71
47	18
48	89
49	107
50	28
51	45
52	73
53	118
54	191
55	309
56	20
57	47
58	67
59	38
60	21
61	59
62	40
63	99
64	139
65	34
66	173
67	69
68	121
69	95
70	24
71	119
72	143
73	131
74	137
75	134
76	271
77	135
78	58
79	193