A243346 - cp's OEIS frontend

A243346 a(1) = 1, a(2n) = A005117(1+a(n)), a(2n+1) = A013929(a(n)), where A005117 are squarefree and A013929 are nonsquarefree numbers.

n	a(n)
1	1
2	2
3	4
4	3
5	8
6	6
7	12
8	5
9	9
10	13
11	24
12	10
13	18
14	19
15	32
16	7
17	16
18	14
19	25
20	21
21	36
22	38
23	63
24	15
25	27
26	30
27	49
28	31
29	50
30	53
31	84
32	11
33	20
34	26
35	45
36	22
37	40
38	39
39	64
40	34
41	54
42	59
43	96
44	62
45	99
46	103
47	162
48	23
49	44
50	42
51	72
52	47
53	80
54	79
55	126
56	51
57	81
58	82
59	128
60	86
61	136
62	138
63	220
64	17
65	28
66	33
67	52
68	41
69	68
70	73
71	120

[1, 2, 4, 3, 8, 6, 12, 5, 9, 13, 24, 10, 18, 19, 32, 7, 16, 14, 25, 21, 36, 38, 63, 15, 27, 30, 49, 31, 50, 53, 84, 11, 20, 26, 45, 22, 40, 39, 64, 34, 54, 59, 96, 62, 99, 103, 162, 23, 44, 42, 72, 47, 80, 79, 126, 51, 81, 82, 128, 86, 136, 138, 220, 17, 28, 33, 52, 41, 68, 73, 120]

cp's OEIS Frontend

A243346 a(1) = 1, a(2n) = A005117(1+a(n)), a(2n+1) = A013929(a(n)), where A005117 are squarefree and A013929 are nonsquarefree numbers.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	3
5	8
6	6
7	12
8	5
9	9
10	13
11	24
12	10
13	18
14	19
15	32
16	7
17	16
18	14
19	25
20	21
21	36
22	38
23	63
24	15
25	27
26	30
27	49
28	31
29	50
30	53
31	84
32	11
33	20
34	26
35	45
36	22
37	40
38	39
39	64
40	34
41	54
42	59
43	96
44	62
45	99
46	103
47	162
48	23
49	44
50	42
51	72
52	47
53	80
54	79
55	126
56	51
57	81
58	82
59	128
60	86
61	136
62	138
63	220
64	17
65	28
66	33
67	52
68	41
69	68
70	73
71	120

n	a(n)
1	1
2	2
3	4
4	3
5	8
6	6
7	12
8	5
9	9
10	13
11	24
12	10
13	18
14	19
15	32
16	7
17	16
18	14
19	25
20	21
21	36
22	38
23	63
24	15
25	27
26	30
27	49
28	31
29	50
30	53
31	84
32	11
33	20
34	26
35	45
36	22
37	40
38	39
39	64
40	34
41	54
42	59
43	96
44	62
45	99
46	103
47	162
48	23
49	44
50	42
51	72
52	47
53	80
54	79
55	126
56	51
57	81
58	82
59	128
60	86
61	136
62	138
63	220
64	17
65	28
66	33
67	52
68	41
69	68
70	73
71	120

n	a(n)
1	1
2	2
3	4
4	3
5	8
6	6
7	12
8	5
9	9
10	13
11	24
12	10
13	18
14	19
15	32
16	7
17	16
18	14
19	25
20	21
21	36
22	38
23	63
24	15
25	27
26	30
27	49
28	31
29	50
30	53
31	84
32	11
33	20
34	26
35	45
36	22
37	40
38	39
39	64
40	34
41	54
42	59
43	96
44	62
45	99
46	103
47	162
48	23
49	44
50	42
51	72
52	47
53	80
54	79
55	126
56	51
57	81
58	82
59	128
60	86
61	136
62	138
63	220
64	17
65	28
66	33
67	52
68	41
69	68
70	73
71	120