A361825 - cp's OEIS frontend

A361825 a(1) = 1, a(2) = 2; for n > 2, a(n) is the smallest positive number that has not yet appeared that is a multiple of the smallest prime that does not divide a(n-2) + a(n-1).

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	8
7	3
8	10
9	12
10	9
11	14
12	16
13	7
14	18
15	20
16	15
17	22
18	24
19	21
20	26
21	28
22	25
23	30
24	32
25	27
26	34
27	36
28	33
29	38
30	40
31	35
32	42
33	44
34	39
35	46
36	48
37	45
38	50
39	52
40	55
41	54
42	56
43	51
44	58
45	60
46	57
47	62
48	64
49	65
50	66
51	68
52	63
53	70
54	72
55	69
56	74
57	76
58	49
59	78
60	80
61	75
62	82
63	84
64	81
65	86
66	88
67	85
68	90
69	92
70	87
71	94
72	96
73	93
74	98
75	100
76	95

[1, 2, 4, 5, 6, 8, 3, 10, 12, 9, 14, 16, 7, 18, 20, 15, 22, 24, 21, 26, 28, 25, 30, 32, 27, 34, 36, 33, 38, 40, 35, 42, 44, 39, 46, 48, 45, 50, 52, 55, 54, 56, 51, 58, 60, 57, 62, 64, 65, 66, 68, 63, 70, 72, 69, 74, 76, 49, 78, 80, 75, 82, 84, 81, 86, 88, 85, 90, 92, 87, 94, 96, 93, 98, 100, 95]

cp's OEIS Frontend

A361825 a(1) = 1, a(2) = 2; for n > 2, a(n) is the smallest positive number that has not yet appeared that is a multiple of the smallest prime that does not divide a(n-2) + a(n-1).

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	8
7	3
8	10
9	12
10	9
11	14
12	16
13	7
14	18
15	20
16	15
17	22
18	24
19	21
20	26
21	28
22	25
23	30
24	32
25	27
26	34
27	36
28	33
29	38
30	40
31	35
32	42
33	44
34	39
35	46
36	48
37	45
38	50
39	52
40	55
41	54
42	56
43	51
44	58
45	60
46	57
47	62
48	64
49	65
50	66
51	68
52	63
53	70
54	72
55	69
56	74
57	76
58	49
59	78
60	80
61	75
62	82
63	84
64	81
65	86
66	88
67	85
68	90
69	92
70	87
71	94
72	96
73	93
74	98
75	100
76	95

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	8
7	3
8	10
9	12
10	9
11	14
12	16
13	7
14	18
15	20
16	15
17	22
18	24
19	21
20	26
21	28
22	25
23	30
24	32
25	27
26	34
27	36
28	33
29	38
30	40
31	35
32	42
33	44
34	39
35	46
36	48
37	45
38	50
39	52
40	55
41	54
42	56
43	51
44	58
45	60
46	57
47	62
48	64
49	65
50	66
51	68
52	63
53	70
54	72
55	69
56	74
57	76
58	49
59	78
60	80
61	75
62	82
63	84
64	81
65	86
66	88
67	85
68	90
69	92
70	87
71	94
72	96
73	93
74	98
75	100
76	95

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	8
7	3
8	10
9	12
10	9
11	14
12	16
13	7
14	18
15	20
16	15
17	22
18	24
19	21
20	26
21	28
22	25
23	30
24	32
25	27
26	34
27	36
28	33
29	38
30	40
31	35
32	42
33	44
34	39
35	46
36	48
37	45
38	50
39	52
40	55
41	54
42	56
43	51
44	58
45	60
46	57
47	62
48	64
49	65
50	66
51	68
52	63
53	70
54	72
55	69
56	74
57	76
58	49
59	78
60	80
61	75
62	82
63	84
64	81
65	86
66	88
67	85
68	90
69	92
70	87
71	94
72	96
73	93
74	98
75	100
76	95