A367950 - cp's OEIS frontend

A367950 Lexicographically earliest sequence of distinct positive integers such that the sum of the distinct prime factors (sopf) of a(n) + a(n + 1) is a perfect cube.

n	a(n)
1	1
2	14
3	31
4	44
5	91
6	92
7	43
8	2
9	13
10	32
11	103
12	80
13	55
14	20
15	25
16	50
17	85
18	98
19	37
20	8
21	7
22	38
23	97
24	86
25	49
26	26
27	19
28	56
29	79
30	104
31	121
32	62
33	73
34	110
35	115
36	68
37	67
38	116
39	109
40	74
41	61
42	122
43	163
44	132
45	3
46	12
47	33
48	42
49	93
50	90
51	45
52	30
53	15
54	60
55	75
56	108
57	27
58	18
59	57
60	78
61	105
62	120
63	63
64	72
65	111
66	24
67	21
68	54
69	81
70	102

[1, 14, 31, 44, 91, 92, 43, 2, 13, 32, 103, 80, 55, 20, 25, 50, 85, 98, 37, 8, 7, 38, 97, 86, 49, 26, 19, 56, 79, 104, 121, 62, 73, 110, 115, 68, 67, 116, 109, 74, 61, 122, 163, 132, 3, 12, 33, 42, 93, 90, 45, 30, 15, 60, 75, 108, 27, 18, 57, 78, 105, 120, 63, 72, 111, 24, 21, 54, 81, 102]

cp's OEIS Frontend

A367950 Lexicographically earliest sequence of distinct positive integers such that the sum of the distinct prime factors (sopf) of a(n) + a(n + 1) is a perfect cube.

Table of values

List of values

n	a(n)
1	1
2	14
3	31
4	44
5	91
6	92
7	43
8	2
9	13
10	32
11	103
12	80
13	55
14	20
15	25
16	50
17	85
18	98
19	37
20	8
21	7
22	38
23	97
24	86
25	49
26	26
27	19
28	56
29	79
30	104
31	121
32	62
33	73
34	110
35	115
36	68
37	67
38	116
39	109
40	74
41	61
42	122
43	163
44	132
45	3
46	12
47	33
48	42
49	93
50	90
51	45
52	30
53	15
54	60
55	75
56	108
57	27
58	18
59	57
60	78
61	105
62	120
63	63
64	72
65	111
66	24
67	21
68	54
69	81
70	102

n	a(n)
1	1
2	14
3	31
4	44
5	91
6	92
7	43
8	2
9	13
10	32
11	103
12	80
13	55
14	20
15	25
16	50
17	85
18	98
19	37
20	8
21	7
22	38
23	97
24	86
25	49
26	26
27	19
28	56
29	79
30	104
31	121
32	62
33	73
34	110
35	115
36	68
37	67
38	116
39	109
40	74
41	61
42	122
43	163
44	132
45	3
46	12
47	33
48	42
49	93
50	90
51	45
52	30
53	15
54	60
55	75
56	108
57	27
58	18
59	57
60	78
61	105
62	120
63	63
64	72
65	111
66	24
67	21
68	54
69	81
70	102

n	a(n)
1	1
2	14
3	31
4	44
5	91
6	92
7	43
8	2
9	13
10	32
11	103
12	80
13	55
14	20
15	25
16	50
17	85
18	98
19	37
20	8
21	7
22	38
23	97
24	86
25	49
26	26
27	19
28	56
29	79
30	104
31	121
32	62
33	73
34	110
35	115
36	68
37	67
38	116
39	109
40	74
41	61
42	122
43	163
44	132
45	3
46	12
47	33
48	42
49	93
50	90
51	45
52	30
53	15
54	60
55	75
56	108
57	27
58	18
59	57
60	78
61	105
62	120
63	63
64	72
65	111
66	24
67	21
68	54
69	81
70	102