A268674 - cp's OEIS frontend

A268674 a(1) = 1, after which, for odd numbers: a(n) = A078898(n)-th number k for which A055396(k) = A055396(n)-1, and for even numbers: a(n) = a(A000265(n)).

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	2
7	5
8	1
9	4
10	3
11	7
12	2
13	11
14	5
15	6
16	1
17	13
18	4
19	17
20	3
21	8
22	7
23	19
24	2
25	9
26	11
27	10
28	5
29	23
30	6
31	29
32	1
33	12
34	13
35	15
36	4
37	31
38	17
39	14
40	3
41	37
42	8
43	41
44	7
45	16
46	19
47	43
48	2
49	25
50	9
51	18
52	11
53	47
54	10
55	21
56	5
57	20
58	23
59	53
60	6
61	59
62	29
63	22
64	1
65	27
66	12
67	61
68	13
69	24
70	15
71	67
72	4
73	71
74	31
75	26
76	17
77	35
78	14
79	73
80	3
81	28
82	37
83	79
84	8
85	33
86	41
87	30
88	7

[1, 1, 2, 1, 3, 2, 5, 1, 4, 3, 7, 2, 11, 5, 6, 1, 13, 4, 17, 3, 8, 7, 19, 2, 9, 11, 10, 5, 23, 6, 29, 1, 12, 13, 15, 4, 31, 17, 14, 3, 37, 8, 41, 7, 16, 19, 43, 2, 25, 9, 18, 11, 47, 10, 21, 5, 20, 23, 53, 6, 59, 29, 22, 1, 27, 12, 61, 13, 24, 15, 67, 4, 71, 31, 26, 17, 35, 14, 73, 3, 28, 37, 79, 8, 33, 41, 30, 7]

cp's OEIS Frontend

A268674 a(1) = 1, after which, for odd numbers: a(n) = A078898(n)-th number k for which A055396(k) = A055396(n)-1, and for even numbers: a(n) = a(A000265(n)).

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	2
7	5
8	1
9	4
10	3
11	7
12	2
13	11
14	5
15	6
16	1
17	13
18	4
19	17
20	3
21	8
22	7
23	19
24	2
25	9
26	11
27	10
28	5
29	23
30	6
31	29
32	1
33	12
34	13
35	15
36	4
37	31
38	17
39	14
40	3
41	37
42	8
43	41
44	7
45	16
46	19
47	43
48	2
49	25
50	9
51	18
52	11
53	47
54	10
55	21
56	5
57	20
58	23
59	53
60	6
61	59
62	29
63	22
64	1
65	27
66	12
67	61
68	13
69	24
70	15
71	67
72	4
73	71
74	31
75	26
76	17
77	35
78	14
79	73
80	3
81	28
82	37
83	79
84	8
85	33
86	41
87	30
88	7

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	2
7	5
8	1
9	4
10	3
11	7
12	2
13	11
14	5
15	6
16	1
17	13
18	4
19	17
20	3
21	8
22	7
23	19
24	2
25	9
26	11
27	10
28	5
29	23
30	6
31	29
32	1
33	12
34	13
35	15
36	4
37	31
38	17
39	14
40	3
41	37
42	8
43	41
44	7
45	16
46	19
47	43
48	2
49	25
50	9
51	18
52	11
53	47
54	10
55	21
56	5
57	20
58	23
59	53
60	6
61	59
62	29
63	22
64	1
65	27
66	12
67	61
68	13
69	24
70	15
71	67
72	4
73	71
74	31
75	26
76	17
77	35
78	14
79	73
80	3
81	28
82	37
83	79
84	8
85	33
86	41
87	30
88	7

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	2
7	5
8	1
9	4
10	3
11	7
12	2
13	11
14	5
15	6
16	1
17	13
18	4
19	17
20	3
21	8
22	7
23	19
24	2
25	9
26	11
27	10
28	5
29	23
30	6
31	29
32	1
33	12
34	13
35	15
36	4
37	31
38	17
39	14
40	3
41	37
42	8
43	41
44	7
45	16
46	19
47	43
48	2
49	25
50	9
51	18
52	11
53	47
54	10
55	21
56	5
57	20
58	23
59	53
60	6
61	59
62	29
63	22
64	1
65	27
66	12
67	61
68	13
69	24
70	15
71	67
72	4
73	71
74	31
75	26
76	17
77	35
78	14
79	73
80	3
81	28
82	37
83	79
84	8
85	33
86	41
87	30
88	7