A338161 - cp's OEIS frontend

A338161 Successive sums of successive terms produce the successive natural numbers (see the Comments section).

n	a(n)
1	1
2	-2
3	4
4	-3
5	-5
6	11
7	-6
8	-7
9	8
10	9
11	10
12	12
13	13
14	-14
15	-16
16	-15
17	-17
18	18
19	19
20	-20
21	21
22	22
23	23
24	24
25	25
26	-26
27	-27
28	-34
29	-28
30	-29
31	-30
32	31
33	32
34	33
35	35
36	-36
37	37
38	38
39	39
40	40
41	41
42	-42
43	-43
44	-44
45	-57
46	-45
47	-46
48	-47
49	48
50	49
51	-50
52	51
53	52
54	53
55	-55
56	54
57	56
58	58
59	59
60	60
61	61
62	-62
63	-63
64	-64
65	-65
66	-83
67	-66
68	-67
69	-68
70	-69
71	70
72	71

[1, -2, 4, -3, -5, 11, -6, -7, 8, 9, 10, 12, 13, -14, -16, -15, -17, 18, 19, -20, 21, 22, 23, 24, 25, -26, -27, -34, -28, -29, -30, 31, 32, 33, 35, -36, 37, 38, 39, 40, 41, -42, -43, -44, -57, -45, -46, -47, 48, 49, -50, 51, 52, 53, -55, 54, 56, 58, 59, 60, 61, -62, -63, -64, -65, -83, -66, -67, -68, -69, 70, 71]

cp's OEIS Frontend

A338161 Successive sums of successive terms produce the successive natural numbers (see the Comments section).

Table of values

List of values

n	a(n)
1	1
2	-2
3	4
4	-3
5	-5
6	11
7	-6
8	-7
9	8
10	9
11	10
12	12
13	13
14	-14
15	-16
16	-15
17	-17
18	18
19	19
20	-20
21	21
22	22
23	23
24	24
25	25
26	-26
27	-27
28	-34
29	-28
30	-29
31	-30
32	31
33	32
34	33
35	35
36	-36
37	37
38	38
39	39
40	40
41	41
42	-42
43	-43
44	-44
45	-57
46	-45
47	-46
48	-47
49	48
50	49
51	-50
52	51
53	52
54	53
55	-55
56	54
57	56
58	58
59	59
60	60
61	61
62	-62
63	-63
64	-64
65	-65
66	-83
67	-66
68	-67
69	-68
70	-69
71	70
72	71

n	a(n)
1	1
2	-2
3	4
4	-3
5	-5
6	11
7	-6
8	-7
9	8
10	9
11	10
12	12
13	13
14	-14
15	-16
16	-15
17	-17
18	18
19	19
20	-20
21	21
22	22
23	23
24	24
25	25
26	-26
27	-27
28	-34
29	-28
30	-29
31	-30
32	31
33	32
34	33
35	35
36	-36
37	37
38	38
39	39
40	40
41	41
42	-42
43	-43
44	-44
45	-57
46	-45
47	-46
48	-47
49	48
50	49
51	-50
52	51
53	52
54	53
55	-55
56	54
57	56
58	58
59	59
60	60
61	61
62	-62
63	-63
64	-64
65	-65
66	-83
67	-66
68	-67
69	-68
70	-69
71	70
72	71

n	a(n)
1	1
2	-2
3	4
4	-3
5	-5
6	11
7	-6
8	-7
9	8
10	9
11	10
12	12
13	13
14	-14
15	-16
16	-15
17	-17
18	18
19	19
20	-20
21	21
22	22
23	23
24	24
25	25
26	-26
27	-27
28	-34
29	-28
30	-29
31	-30
32	31
33	32
34	33
35	35
36	-36
37	37
38	38
39	39
40	40
41	41
42	-42
43	-43
44	-44
45	-57
46	-45
47	-46
48	-47
49	48
50	49
51	-50
52	51
53	52
54	53
55	-55
56	54
57	56
58	58
59	59
60	60
61	61
62	-62
63	-63
64	-64
65	-65
66	-83
67	-66
68	-67
69	-68
70	-69
71	70
72	71