A362041 - cp's OEIS frontend

A362041 a(0) = 1; for n > 0, a(n) is the largest k < A013929(n) such that rad(k) = rad(A013929(n)), where rad(n) = A007947(n).

n	a(n)
0	1
1	2
2	4
3	3
4	6
5	8
6	12
7	10
8	18
9	5
10	9
11	14
12	16
13	24
14	20
15	22
16	15
17	36
18	7
19	40
20	26
21	48
22	28
23	30
24	21
25	32
26	34
27	54
28	45
29	38
30	50
31	27
32	42
33	44
34	60
35	46
36	72
37	56
38	33
39	80
40	52
41	96
42	98
43	58
44	39
45	90
46	11
47	62
48	25
49	84
50	64
51	66
52	75
53	68
54	70
55	108
56	63
57	74
58	120
59	76
60	51
61	78
62	100
63	144
64	82
65	126
66	13
67	57
68	86
69	35
70	88
71	150
72	92
73	94
74	147
75	162

[1, 2, 4, 3, 6, 8, 12, 10, 18, 5, 9, 14, 16, 24, 20, 22, 15, 36, 7, 40, 26, 48, 28, 30, 21, 32, 34, 54, 45, 38, 50, 27, 42, 44, 60, 46, 72, 56, 33, 80, 52, 96, 98, 58, 39, 90, 11, 62, 25, 84, 64, 66, 75, 68, 70, 108, 63, 74, 120, 76, 51, 78, 100, 144, 82, 126, 13, 57, 86, 35, 88, 150, 92, 94, 147, 162]

cp's OEIS Frontend

A362041 a(0) = 1; for n > 0, a(n) is the largest k < A013929(n) such that rad(k) = rad(A013929(n)), where rad(n) = A007947(n).

Table of values

List of values

n	a(n)
0	1
1	2
2	4
3	3
4	6
5	8
6	12
7	10
8	18
9	5
10	9
11	14
12	16
13	24
14	20
15	22
16	15
17	36
18	7
19	40
20	26
21	48
22	28
23	30
24	21
25	32
26	34
27	54
28	45
29	38
30	50
31	27
32	42
33	44
34	60
35	46
36	72
37	56
38	33
39	80
40	52
41	96
42	98
43	58
44	39
45	90
46	11
47	62
48	25
49	84
50	64
51	66
52	75
53	68
54	70
55	108
56	63
57	74
58	120
59	76
60	51
61	78
62	100
63	144
64	82
65	126
66	13
67	57
68	86
69	35
70	88
71	150
72	92
73	94
74	147
75	162

n	a(n)
0	1
1	2
2	4
3	3
4	6
5	8
6	12
7	10
8	18
9	5
10	9
11	14
12	16
13	24
14	20
15	22
16	15
17	36
18	7
19	40
20	26
21	48
22	28
23	30
24	21
25	32
26	34
27	54
28	45
29	38
30	50
31	27
32	42
33	44
34	60
35	46
36	72
37	56
38	33
39	80
40	52
41	96
42	98
43	58
44	39
45	90
46	11
47	62
48	25
49	84
50	64
51	66
52	75
53	68
54	70
55	108
56	63
57	74
58	120
59	76
60	51
61	78
62	100
63	144
64	82
65	126
66	13
67	57
68	86
69	35
70	88
71	150
72	92
73	94
74	147
75	162

n	a(n)
0	1
1	2
2	4
3	3
4	6
5	8
6	12
7	10
8	18
9	5
10	9
11	14
12	16
13	24
14	20
15	22
16	15
17	36
18	7
19	40
20	26
21	48
22	28
23	30
24	21
25	32
26	34
27	54
28	45
29	38
30	50
31	27
32	42
33	44
34	60
35	46
36	72
37	56
38	33
39	80
40	52
41	96
42	98
43	58
44	39
45	90
46	11
47	62
48	25
49	84
50	64
51	66
52	75
53	68
54	70
55	108
56	63
57	74
58	120
59	76
60	51
61	78
62	100
63	144
64	82
65	126
66	13
67	57
68	86
69	35
70	88
71	150
72	92
73	94
74	147
75	162