A293450 - cp's OEIS frontend

A293450 Restricted growth sequence transform of (3*A293225(n) + A010872(n)), a filter combining (n mod 3) with two products, the other formed from the 1-digits (A293221) and the other from the 2-digits (A293222) present in the ternary expansions of proper divisors of n.

n	a(n)
1	1
2	2
3	3
4	4
5	2
6	5
7	6
8	7
9	8
10	9
11	2
12	10
13	6
14	11
15	12
16	13
17	2
18	14
19	6
20	15
21	16
22	17
23	2
24	18
25	19
26	20
27	21
28	22
29	2
30	23
31	6
32	24
33	25
34	26
35	27
36	28
37	6
38	29
39	30
40	31
41	2
42	32
43	6
44	33
45	34
46	35
47	2
48	36
49	37
50	38
51	14
52	39
53	2
54	40
55	41
56	42
57	43
58	44
59	2
60	45
61	6
62	46
63	47
64	48
65	49
66	50
67	6
68	51
69	52
70	53
71	2
72	54
73	6
74	55
75	56
76	57
77	58
78	59
79	6
80	60
81	61
82	62
83	2
84	63
85	64
86	65
87	66
88	67
89	2

[1, 2, 3, 4, 2, 5, 6, 7, 8, 9, 2, 10, 6, 11, 12, 13, 2, 14, 6, 15, 16, 17, 2, 18, 19, 20, 21, 22, 2, 23, 6, 24, 25, 26, 27, 28, 6, 29, 30, 31, 2, 32, 6, 33, 34, 35, 2, 36, 37, 38, 14, 39, 2, 40, 41, 42, 43, 44, 2, 45, 6, 46, 47, 48, 49, 50, 6, 51, 52, 53, 2, 54, 6, 55, 56, 57, 58, 59, 6, 60, 61, 62, 2, 63, 64, 65, 66, 67, 2]

cp's OEIS Frontend

A293450 Restricted growth sequence transform of (3*A293225(n) + A010872(n)), a filter combining (n mod 3) with two products, the other formed from the 1-digits (A293221) and the other from the 2-digits (A293222) present in the ternary expansions of proper divisors of n.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	2
6	5
7	6
8	7
9	8
10	9
11	2
12	10
13	6
14	11
15	12
16	13
17	2
18	14
19	6
20	15
21	16
22	17
23	2
24	18
25	19
26	20
27	21
28	22
29	2
30	23
31	6
32	24
33	25
34	26
35	27
36	28
37	6
38	29
39	30
40	31
41	2
42	32
43	6
44	33
45	34
46	35
47	2
48	36
49	37
50	38
51	14
52	39
53	2
54	40
55	41
56	42
57	43
58	44
59	2
60	45
61	6
62	46
63	47
64	48
65	49
66	50
67	6
68	51
69	52
70	53
71	2
72	54
73	6
74	55
75	56
76	57
77	58
78	59
79	6
80	60
81	61
82	62
83	2
84	63
85	64
86	65
87	66
88	67
89	2

n	a(n)
1	1
2	2
3	3
4	4
5	2
6	5
7	6
8	7
9	8
10	9
11	2
12	10
13	6
14	11
15	12
16	13
17	2
18	14
19	6
20	15
21	16
22	17
23	2
24	18
25	19
26	20
27	21
28	22
29	2
30	23
31	6
32	24
33	25
34	26
35	27
36	28
37	6
38	29
39	30
40	31
41	2
42	32
43	6
44	33
45	34
46	35
47	2
48	36
49	37
50	38
51	14
52	39
53	2
54	40
55	41
56	42
57	43
58	44
59	2
60	45
61	6
62	46
63	47
64	48
65	49
66	50
67	6
68	51
69	52
70	53
71	2
72	54
73	6
74	55
75	56
76	57
77	58
78	59
79	6
80	60
81	61
82	62
83	2
84	63
85	64
86	65
87	66
88	67
89	2

n	a(n)
1	1
2	2
3	3
4	4
5	2
6	5
7	6
8	7
9	8
10	9
11	2
12	10
13	6
14	11
15	12
16	13
17	2
18	14
19	6
20	15
21	16
22	17
23	2
24	18
25	19
26	20
27	21
28	22
29	2
30	23
31	6
32	24
33	25
34	26
35	27
36	28
37	6
38	29
39	30
40	31
41	2
42	32
43	6
44	33
45	34
46	35
47	2
48	36
49	37
50	38
51	14
52	39
53	2
54	40
55	41
56	42
57	43
58	44
59	2
60	45
61	6
62	46
63	47
64	48
65	49
66	50
67	6
68	51
69	52
70	53
71	2
72	54
73	6
74	55
75	56
76	57
77	58
78	59
79	6
80	60
81	61
82	62
83	2
84	63
85	64
86	65
87	66
88	67
89	2