A057336 - cp's OEIS frontend

A057336 1) Write n in binary; 2) Find run lengths of this expression; 3) Replace these as follows: 1 -> 0, 2 -> 010, 3 -> 01010, 4 -> 0101010...; 4) Remove final 0 and append an initial 1; 5) The term a(n) is the number with the obtained Zeckendorf expression.

n	a(n)
1	1
2	2
3	4
4	6
5	3
6	7
7	12
8	17
9	10
10	5
11	9
12	19
13	11
14	20
15	33
16	46
17	28
18	16
19	27
20	14
21	8
22	15
23	25
24	51
25	31
26	18
27	30
28	53
29	32
30	54
31	88
32	122
33	75
34	45
35	74
36	43
37	26
38	44
39	72
40	38
41	23
42	13
43	22
44	40
45	24
46	41
47	67
48	135
49	83
50	50
51	82
52	48
53	29
54	49
55	80
56	140
57	86
58	52
59	85
60	142
61	87
62	143
63	232
64	321
65	198
66	121
67	197
68	119

[1, 2, 4, 6, 3, 7, 12, 17, 10, 5, 9, 19, 11, 20, 33, 46, 28, 16, 27, 14, 8, 15, 25, 51, 31, 18, 30, 53, 32, 54, 88, 122, 75, 45, 74, 43, 26, 44, 72, 38, 23, 13, 22, 40, 24, 41, 67, 135, 83, 50, 82, 48, 29, 49, 80, 140, 86, 52, 85, 142, 87, 143, 232, 321, 198, 121, 197, 119]

cp's OEIS Frontend

A057336 1) Write n in binary; 2) Find run lengths of this expression; 3) Replace these as follows: 1 -> 0, 2 -> 010, 3 -> 01010, 4 -> 0101010...; 4) Remove final 0 and append an initial 1; 5) The term a(n) is the number with the obtained Zeckendorf expression.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	6
5	3
6	7
7	12
8	17
9	10
10	5
11	9
12	19
13	11
14	20
15	33
16	46
17	28
18	16
19	27
20	14
21	8
22	15
23	25
24	51
25	31
26	18
27	30
28	53
29	32
30	54
31	88
32	122
33	75
34	45
35	74
36	43
37	26
38	44
39	72
40	38
41	23
42	13
43	22
44	40
45	24
46	41
47	67
48	135
49	83
50	50
51	82
52	48
53	29
54	49
55	80
56	140
57	86
58	52
59	85
60	142
61	87
62	143
63	232
64	321
65	198
66	121
67	197
68	119

n	a(n)
1	1
2	2
3	4
4	6
5	3
6	7
7	12
8	17
9	10
10	5
11	9
12	19
13	11
14	20
15	33
16	46
17	28
18	16
19	27
20	14
21	8
22	15
23	25
24	51
25	31
26	18
27	30
28	53
29	32
30	54
31	88
32	122
33	75
34	45
35	74
36	43
37	26
38	44
39	72
40	38
41	23
42	13
43	22
44	40
45	24
46	41
47	67
48	135
49	83
50	50
51	82
52	48
53	29
54	49
55	80
56	140
57	86
58	52
59	85
60	142
61	87
62	143
63	232
64	321
65	198
66	121
67	197
68	119

n	a(n)
1	1
2	2
3	4
4	6
5	3
6	7
7	12
8	17
9	10
10	5
11	9
12	19
13	11
14	20
15	33
16	46
17	28
18	16
19	27
20	14
21	8
22	15
23	25
24	51
25	31
26	18
27	30
28	53
29	32
30	54
31	88
32	122
33	75
34	45
35	74
36	43
37	26
38	44
39	72
40	38
41	23
42	13
43	22
44	40
45	24
46	41
47	67
48	135
49	83
50	50
51	82
52	48
53	29
54	49
55	80
56	140
57	86
58	52
59	85
60	142
61	87
62	143
63	232
64	321
65	198
66	121
67	197
68	119