A085238 - cp's OEIS frontend

A085238 Sort the numbers 2^i and 3^j. Then a(n) is the exponent of the n-th term.

n	a(n)
1	0
2	1
3	1
4	2
5	3
6	2
7	4
8	3
9	5
10	6
11	4
12	7
13	5
14	8
15	9
16	6
17	10
18	11
19	7
20	12
21	8
22	13
23	14
24	9
25	15
26	10
27	16
28	17
29	11
30	18
31	19
32	12
33	20
34	13
35	21
36	22
37	14
38	23
39	15
40	24
41	25
42	16
43	26
44	17
45	27
46	28
47	18
48	29
49	30
50	19
51	31
52	20
53	32
54	33
55	21
56	34
57	22
58	35
59	36
60	23
61	37
62	38
63	24
64	39
65	25
66	40
67	41
68	26
69	42
70	27
71	43
72	44
73	28

[0, 1, 1, 2, 3, 2, 4, 3, 5, 6, 4, 7, 5, 8, 9, 6, 10, 11, 7, 12, 8, 13, 14, 9, 15, 10, 16, 17, 11, 18, 19, 12, 20, 13, 21, 22, 14, 23, 15, 24, 25, 16, 26, 17, 27, 28, 18, 29, 30, 19, 31, 20, 32, 33, 21, 34, 22, 35, 36, 23, 37, 38, 24, 39, 25, 40, 41, 26, 42, 27, 43, 44, 28]

cp's OEIS Frontend

A085238 Sort the numbers 2^i and 3^j. Then a(n) is the exponent of the n-th term.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	2
5	3
6	2
7	4
8	3
9	5
10	6
11	4
12	7
13	5
14	8
15	9
16	6
17	10
18	11
19	7
20	12
21	8
22	13
23	14
24	9
25	15
26	10
27	16
28	17
29	11
30	18
31	19
32	12
33	20
34	13
35	21
36	22
37	14
38	23
39	15
40	24
41	25
42	16
43	26
44	17
45	27
46	28
47	18
48	29
49	30
50	19
51	31
52	20
53	32
54	33
55	21
56	34
57	22
58	35
59	36
60	23
61	37
62	38
63	24
64	39
65	25
66	40
67	41
68	26
69	42
70	27
71	43
72	44
73	28

n	a(n)
1	0
2	1
3	1
4	2
5	3
6	2
7	4
8	3
9	5
10	6
11	4
12	7
13	5
14	8
15	9
16	6
17	10
18	11
19	7
20	12
21	8
22	13
23	14
24	9
25	15
26	10
27	16
28	17
29	11
30	18
31	19
32	12
33	20
34	13
35	21
36	22
37	14
38	23
39	15
40	24
41	25
42	16
43	26
44	17
45	27
46	28
47	18
48	29
49	30
50	19
51	31
52	20
53	32
54	33
55	21
56	34
57	22
58	35
59	36
60	23
61	37
62	38
63	24
64	39
65	25
66	40
67	41
68	26
69	42
70	27
71	43
72	44
73	28

n	a(n)
1	0
2	1
3	1
4	2
5	3
6	2
7	4
8	3
9	5
10	6
11	4
12	7
13	5
14	8
15	9
16	6
17	10
18	11
19	7
20	12
21	8
22	13
23	14
24	9
25	15
26	10
27	16
28	17
29	11
30	18
31	19
32	12
33	20
34	13
35	21
36	22
37	14
38	23
39	15
40	24
41	25
42	16
43	26
44	17
45	27
46	28
47	18
48	29
49	30
50	19
51	31
52	20
53	32
54	33
55	21
56	34
57	22
58	35
59	36
60	23
61	37
62	38
63	24
64	39
65	25
66	40
67	41
68	26
69	42
70	27
71	43
72	44
73	28