A103122 - cp's OEIS frontend

A103122 Define a 1-1 correspondence between the integers Z and the nonnegative integers N by f(n) = A102370(n) if n >= 0, f(n) = A102371(-n) if n < 0; sequence gives a(n) = f^(-1)(n) for n >= 0.

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

[0, -1, -2, 1, 4, 3, 2, -3, 8, 7, 6, 9, -4, 11, 10, 5, 16, 15, 14, 17, 20, 19, 18, 13, 24, 23, 22, 25, 12, -5, 26, 21, 32, 31, 30, 33, 36, 35, 34, 29, 40, 39, 38, 41, 28, 43, 42, 37, 48, 47, 46, 49, 52, 51, 50, 45, 56, 55, 54, 57, 44, 27, -6, 53, 64, 63, 62, 65, 68]

cp's OEIS Frontend

A103122 Define a 1-1 correspondence between the integers Z and the nonnegative integers N by f(n) = A102370(n) if n >= 0, f(n) = A102371(-n) if n < 0; sequence gives a(n) = f^(-1)(n) for n >= 0.

Table of values

List of values

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

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

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