A072728 - cp's OEIS frontend

A072728 Numerator of rationals >= 1 whose continued fractions consist only of 1's and 2's, in ascending order by the sum of the continued fraction terms and descending by lowest order continued fraction terms to highest.

n	a(n)
0	1
1	2
2	3
3	5
4	5
5	8
6	7
7	8
8	12
9	13
10	11
11	12
12	13
13	19
14	19
15	21
16	17
17	18
18	19
19	19
20	21
21	29
22	31
23	30
24	31
25	34
26	27
27	26
28	29
29	29
30	31
31	30
32	31
33	34
34	46
35	45
36	50
37	46
38	49
39	49
40	50
41	55
42	41
43	44
44	41
45	43
46	47
47	46
48	45
49	50
50	46
51	49
52	49
53	50
54	55

[1, 2, 3, 5, 5, 8, 7, 8, 12, 13, 11, 12, 13, 19, 19, 21, 17, 18, 19, 19, 21, 29, 31, 30, 31, 34, 27, 26, 29, 29, 31, 30, 31, 34, 46, 45, 50, 46, 49, 49, 50, 55, 41, 44, 41, 43, 47, 46, 45, 50, 46, 49, 49, 50, 55]

cp's OEIS Frontend

A072728 Numerator of rationals >= 1 whose continued fractions consist only of 1's and 2's, in ascending order by the sum of the continued fraction terms and descending by lowest order continued fraction terms to highest.

Table of values

List of values

n	a(n)
0	1
1	2
2	3
3	5
4	5
5	8
6	7
7	8
8	12
9	13
10	11
11	12
12	13
13	19
14	19
15	21
16	17
17	18
18	19
19	19
20	21
21	29
22	31
23	30
24	31
25	34
26	27
27	26
28	29
29	29
30	31
31	30
32	31
33	34
34	46
35	45
36	50
37	46
38	49
39	49
40	50
41	55
42	41
43	44
44	41
45	43
46	47
47	46
48	45
49	50
50	46
51	49
52	49
53	50
54	55

n	a(n)
0	1
1	2
2	3
3	5
4	5
5	8
6	7
7	8
8	12
9	13
10	11
11	12
12	13
13	19
14	19
15	21
16	17
17	18
18	19
19	19
20	21
21	29
22	31
23	30
24	31
25	34
26	27
27	26
28	29
29	29
30	31
31	30
32	31
33	34
34	46
35	45
36	50
37	46
38	49
39	49
40	50
41	55
42	41
43	44
44	41
45	43
46	47
47	46
48	45
49	50
50	46
51	49
52	49
53	50
54	55

n	a(n)
0	1
1	2
2	3
3	5
4	5
5	8
6	7
7	8
8	12
9	13
10	11
11	12
12	13
13	19
14	19
15	21
16	17
17	18
18	19
19	19
20	21
21	29
22	31
23	30
24	31
25	34
26	27
27	26
28	29
29	29
30	31
31	30
32	31
33	34
34	46
35	45
36	50
37	46
38	49
39	49
40	50
41	55
42	41
43	44
44	41
45	43
46	47
47	46
48	45
49	50
50	46
51	49
52	49
53	50
54	55