A378233 - cp's OEIS frontend

A378233 a(1) = 1, a(2) = 2, let i = a(n-2), j = a(n-1). For n > 2, If ij is a term in A055932, a(n) is the least novel multiple of the smallest prime which does not divide ij. Otherwise a(n) is the least novel multiple of the greatest prime < Gpf(ij) which does not divide ij.

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	6
7	10
8	7
9	9
10	15
11	8
12	14
13	20
14	12
15	21
16	25
17	16
18	18
19	30
20	28
21	11
22	35
23	24
24	22
25	42
26	40
27	33
28	49
29	45
30	26
31	44
32	56
33	50
34	27
35	63
36	55
37	32
38	70
39	36
40	66
41	77
42	60
43	13
44	88
45	84
46	65
47	99
48	91
49	75
50	110
51	98
52	39
53	121
54	105
55	34
56	52
57	132
58	112
59	80
60	48
61	119
62	78
63	143
64	126
65	85
66	104

[1, 2, 3, 5, 4, 6, 10, 7, 9, 15, 8, 14, 20, 12, 21, 25, 16, 18, 30, 28, 11, 35, 24, 22, 42, 40, 33, 49, 45, 26, 44, 56, 50, 27, 63, 55, 32, 70, 36, 66, 77, 60, 13, 88, 84, 65, 99, 91, 75, 110, 98, 39, 121, 105, 34, 52, 132, 112, 80, 48, 119, 78, 143, 126, 85, 104]

cp's OEIS Frontend

A378233 a(1) = 1, a(2) = 2, let i = a(n-2), j = a(n-1). For n > 2, If ij is a term in A055932, a(n) is the least novel multiple of the smallest prime which does not divide ij. Otherwise a(n) is the least novel multiple of the greatest prime < Gpf(ij) which does not divide ij.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	6
7	10
8	7
9	9
10	15
11	8
12	14
13	20
14	12
15	21
16	25
17	16
18	18
19	30
20	28
21	11
22	35
23	24
24	22
25	42
26	40
27	33
28	49
29	45
30	26
31	44
32	56
33	50
34	27
35	63
36	55
37	32
38	70
39	36
40	66
41	77
42	60
43	13
44	88
45	84
46	65
47	99
48	91
49	75
50	110
51	98
52	39
53	121
54	105
55	34
56	52
57	132
58	112
59	80
60	48
61	119
62	78
63	143
64	126
65	85
66	104

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	6
7	10
8	7
9	9
10	15
11	8
12	14
13	20
14	12
15	21
16	25
17	16
18	18
19	30
20	28
21	11
22	35
23	24
24	22
25	42
26	40
27	33
28	49
29	45
30	26
31	44
32	56
33	50
34	27
35	63
36	55
37	32
38	70
39	36
40	66
41	77
42	60
43	13
44	88
45	84
46	65
47	99
48	91
49	75
50	110
51	98
52	39
53	121
54	105
55	34
56	52
57	132
58	112
59	80
60	48
61	119
62	78
63	143
64	126
65	85
66	104

cp's OEIS Frontend

A378233 a(1) = 1, a(2) = 2, let i = a(n-2), j = a(n-1). For n > 2, If i*j is a term in A055932, a(n) is the least novel multiple of the smallest prime which does not divide i*j. Otherwise a(n) is the least novel multiple of the greatest prime < Gpf(i*j) which does not divide i*j.

Table of values

List of values

A378233 a(1) = 1, a(2) = 2, let i = a(n-2), j = a(n-1). For n > 2, If ij is a term in A055932, a(n) is the least novel multiple of the smallest prime which does not divide ij. Otherwise a(n) is the least novel multiple of the greatest prime < Gpf(ij) which does not divide ij.

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	6
7	10
8	7
9	9
10	15
11	8
12	14
13	20
14	12
15	21
16	25
17	16
18	18
19	30
20	28
21	11
22	35
23	24
24	22
25	42
26	40
27	33
28	49
29	45
30	26
31	44
32	56
33	50
34	27
35	63
36	55
37	32
38	70
39	36
40	66
41	77
42	60
43	13
44	88
45	84
46	65
47	99
48	91
49	75
50	110
51	98
52	39
53	121
54	105
55	34
56	52
57	132
58	112
59	80
60	48
61	119
62	78
63	143
64	126
65	85
66	104