A113321 - cp's OEIS frontend

A113321 Lexicographically earliest permutation of the natural numbers such that all positive differences between succeeding terms occur exactly once.

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	5
7	9
8	7
9	12
10	8
11	14
12	10
13	17
14	11
15	19
16	13
17	22
18	15
19	25
20	16
21	27
22	18
23	30
24	20
25	33
26	21
27	35
28	23
29	38
30	24
31	40
32	26
33	43
34	28
35	46
36	29
37	48
38	31
39	51
40	32
41	53
42	34
43	56
44	36
45	59
46	37
47	61
48	39
49	64
50	41
51	67
52	42
53	69
54	44
55	72
56	45
57	74
58	47
59	77
60	49
61	80
62	50
63	82
64	52
65	85
66	54
67	88
68	55
69	90
70	57
71	93
72	58

[1, 2, 4, 3, 6, 5, 9, 7, 12, 8, 14, 10, 17, 11, 19, 13, 22, 15, 25, 16, 27, 18, 30, 20, 33, 21, 35, 23, 38, 24, 40, 26, 43, 28, 46, 29, 48, 31, 51, 32, 53, 34, 56, 36, 59, 37, 61, 39, 64, 41, 67, 42, 69, 44, 72, 45, 74, 47, 77, 49, 80, 50, 82, 52, 85, 54, 88, 55, 90, 57, 93, 58]

cp's OEIS Frontend

A113321 Lexicographically earliest permutation of the natural numbers such that all positive differences between succeeding terms occur exactly once.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	5
7	9
8	7
9	12
10	8
11	14
12	10
13	17
14	11
15	19
16	13
17	22
18	15
19	25
20	16
21	27
22	18
23	30
24	20
25	33
26	21
27	35
28	23
29	38
30	24
31	40
32	26
33	43
34	28
35	46
36	29
37	48
38	31
39	51
40	32
41	53
42	34
43	56
44	36
45	59
46	37
47	61
48	39
49	64
50	41
51	67
52	42
53	69
54	44
55	72
56	45
57	74
58	47
59	77
60	49
61	80
62	50
63	82
64	52
65	85
66	54
67	88
68	55
69	90
70	57
71	93
72	58

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	5
7	9
8	7
9	12
10	8
11	14
12	10
13	17
14	11
15	19
16	13
17	22
18	15
19	25
20	16
21	27
22	18
23	30
24	20
25	33
26	21
27	35
28	23
29	38
30	24
31	40
32	26
33	43
34	28
35	46
36	29
37	48
38	31
39	51
40	32
41	53
42	34
43	56
44	36
45	59
46	37
47	61
48	39
49	64
50	41
51	67
52	42
53	69
54	44
55	72
56	45
57	74
58	47
59	77
60	49
61	80
62	50
63	82
64	52
65	85
66	54
67	88
68	55
69	90
70	57
71	93
72	58

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	5
7	9
8	7
9	12
10	8
11	14
12	10
13	17
14	11
15	19
16	13
17	22
18	15
19	25
20	16
21	27
22	18
23	30
24	20
25	33
26	21
27	35
28	23
29	38
30	24
31	40
32	26
33	43
34	28
35	46
36	29
37	48
38	31
39	51
40	32
41	53
42	34
43	56
44	36
45	59
46	37
47	61
48	39
49	64
50	41
51	67
52	42
53	69
54	44
55	72
56	45
57	74
58	47
59	77
60	49
61	80
62	50
63	82
64	52
65	85
66	54
67	88
68	55
69	90
70	57
71	93
72	58