A119474 - cp's OEIS frontend

A119474 a(2^m + k) = a(k)-th integer among those positive integers not occurring earlier in the sequence, where m >= 0, 1 <= k<= 2^m. a(1) = 1.

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	9
8	12
9	6
10	10
11	13
12	16
13	15
14	20
15	23
16	27
17	8
18	14
19	18
20	22
21	21
22	28
23	31
24	35
25	26
26	34
27	39
28	43
29	42
30	49
31	53
32	58
33	11
34	19
35	25
36	32
37	30
38	38
39	44
40	48
41	37
42	47
43	54
44	59
45	57
46	65
47	69
48	74
49	45
50	60
51	66
52	72
53	71
54	81
55	85
56	90
57	79
58	91
59	97
60	102
61	101
62	110
63	115
64	121
65	17
66	29
67	36
68	46
69	41
70	55
71	62

[1, 2, 3, 5, 4, 7, 9, 12, 6, 10, 13, 16, 15, 20, 23, 27, 8, 14, 18, 22, 21, 28, 31, 35, 26, 34, 39, 43, 42, 49, 53, 58, 11, 19, 25, 32, 30, 38, 44, 48, 37, 47, 54, 59, 57, 65, 69, 74, 45, 60, 66, 72, 71, 81, 85, 90, 79, 91, 97, 102, 101, 110, 115, 121, 17, 29, 36, 46, 41, 55, 62]

cp's OEIS Frontend

A119474 a(2^m + k) = a(k)-th integer among those positive integers not occurring earlier in the sequence, where m >= 0, 1 <= k<= 2^m. a(1) = 1.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	9
8	12
9	6
10	10
11	13
12	16
13	15
14	20
15	23
16	27
17	8
18	14
19	18
20	22
21	21
22	28
23	31
24	35
25	26
26	34
27	39
28	43
29	42
30	49
31	53
32	58
33	11
34	19
35	25
36	32
37	30
38	38
39	44
40	48
41	37
42	47
43	54
44	59
45	57
46	65
47	69
48	74
49	45
50	60
51	66
52	72
53	71
54	81
55	85
56	90
57	79
58	91
59	97
60	102
61	101
62	110
63	115
64	121
65	17
66	29
67	36
68	46
69	41
70	55
71	62

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	9
8	12
9	6
10	10
11	13
12	16
13	15
14	20
15	23
16	27
17	8
18	14
19	18
20	22
21	21
22	28
23	31
24	35
25	26
26	34
27	39
28	43
29	42
30	49
31	53
32	58
33	11
34	19
35	25
36	32
37	30
38	38
39	44
40	48
41	37
42	47
43	54
44	59
45	57
46	65
47	69
48	74
49	45
50	60
51	66
52	72
53	71
54	81
55	85
56	90
57	79
58	91
59	97
60	102
61	101
62	110
63	115
64	121
65	17
66	29
67	36
68	46
69	41
70	55
71	62

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	9
8	12
9	6
10	10
11	13
12	16
13	15
14	20
15	23
16	27
17	8
18	14
19	18
20	22
21	21
22	28
23	31
24	35
25	26
26	34
27	39
28	43
29	42
30	49
31	53
32	58
33	11
34	19
35	25
36	32
37	30
38	38
39	44
40	48
41	37
42	47
43	54
44	59
45	57
46	65
47	69
48	74
49	45
50	60
51	66
52	72
53	71
54	81
55	85
56	90
57	79
58	91
59	97
60	102
61	101
62	110
63	115
64	121
65	17
66	29
67	36
68	46
69	41
70	55
71	62