A336264 - cp's OEIS frontend

A336264 a(0) = 0, and then the sequence alternates runs of distinct numbers with the same sign, the n-th run having abs(a(n)) terms; all positive numbers appear, in increasing order; all negative numbers appear, in decreasing order; a(1) = 1.

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

[0, 1, -1, 2, 3, -2, -3, -4, 4, 5, -5, -6, -7, 6, 7, 8, 9, -8, -9, -10, -11, 10, 11, 12, 13, 14, -12, -13, -14, -15, -16, 15, 16, 17, 18, 19, 20, -17, -18, -19, -20, -21, -22, -23, 21, 22, 23, 24, 25, 26, -24, -25, -26, -27, -28, -29, -30, 27, 28, 29, 30, 31]

cp's OEIS Frontend

A336264 a(0) = 0, and then the sequence alternates runs of distinct numbers with the same sign, the n-th run having abs(a(n)) terms; all positive numbers appear, in increasing order; all negative numbers appear, in decreasing order; a(1) = 1.

Table of values

List of values

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

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

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