A104895 - cp's OEIS frontend

A104895 a(0)=0; thereafter a(2n) = -2a(n), a(2n+1) = 2a(n) - 1.

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	-7
12	4
13	-5
14	-6
15	5
16	-16
17	15
18	14
19	-15
20	12
21	-13
22	-14
23	13
24	8
25	-9
26	-10
27	9
28	-12
29	11
30	10
31	-11
32	-32
33	31
34	30
35	-31
36	28
37	-29
38	-30
39	29
40	24
41	-25
42	-26
43	25
44	-28
45	27
46	26
47	-27
48	16
49	-17
50	-18
51	17
52	-20
53	19
54	18
55	-19
56	-24
57	23
58	22
59	-23
60	20
61	-21
62	-22
63	21
64	-64
65	63
66	62
67	-63
68	60
69	-61
70	-62
71	61
72	56
73	-57
74	-58
75	57
76	-60
77	59

[0, -1, -2, 1, -4, 3, 2, -3, -8, 7, 6, -7, 4, -5, -6, 5, -16, 15, 14, -15, 12, -13, -14, 13, 8, -9, -10, 9, -12, 11, 10, -11, -32, 31, 30, -31, 28, -29, -30, 29, 24, -25, -26, 25, -28, 27, 26, -27, 16, -17, -18, 17, -20, 19, 18, -19, -24, 23, 22, -23, 20, -21, -22, 21, -64, 63, 62, -63, 60, -61, -62, 61, 56, -57, -58, 57, -60, 59]

cp's OEIS Frontend

A104895 a(0)=0; thereafter a(2n) = -2a(n), a(2n+1) = 2a(n) - 1.

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	-7
12	4
13	-5
14	-6
15	5
16	-16
17	15
18	14
19	-15
20	12
21	-13
22	-14
23	13
24	8
25	-9
26	-10
27	9
28	-12
29	11
30	10
31	-11
32	-32
33	31
34	30
35	-31
36	28
37	-29
38	-30
39	29
40	24
41	-25
42	-26
43	25
44	-28
45	27
46	26
47	-27
48	16
49	-17
50	-18
51	17
52	-20
53	19
54	18
55	-19
56	-24
57	23
58	22
59	-23
60	20
61	-21
62	-22
63	21
64	-64
65	63
66	62
67	-63
68	60
69	-61
70	-62
71	61
72	56
73	-57
74	-58
75	57
76	-60
77	59

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	-7
12	4
13	-5
14	-6
15	5
16	-16
17	15
18	14
19	-15
20	12
21	-13
22	-14
23	13
24	8
25	-9
26	-10
27	9
28	-12
29	11
30	10
31	-11
32	-32
33	31
34	30
35	-31
36	28
37	-29
38	-30
39	29
40	24
41	-25
42	-26
43	25
44	-28
45	27
46	26
47	-27
48	16
49	-17
50	-18
51	17
52	-20
53	19
54	18
55	-19
56	-24
57	23
58	22
59	-23
60	20
61	-21
62	-22
63	21
64	-64
65	63
66	62
67	-63
68	60
69	-61
70	-62
71	61
72	56
73	-57
74	-58
75	57
76	-60
77	59

cp's OEIS Frontend

A104895 a(0)=0; thereafter a(2n) = -2*a(n), a(2n+1) = 2*a(n) - 1.

Table of values

List of values

A104895 a(0)=0; thereafter a(2n) = -2a(n), a(2n+1) = 2a(n) - 1.

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	-7
12	4
13	-5
14	-6
15	5
16	-16
17	15
18	14
19	-15
20	12
21	-13
22	-14
23	13
24	8
25	-9
26	-10
27	9
28	-12
29	11
30	10
31	-11
32	-32
33	31
34	30
35	-31
36	28
37	-29
38	-30
39	29
40	24
41	-25
42	-26
43	25
44	-28
45	27
46	26
47	-27
48	16
49	-17
50	-18
51	17
52	-20
53	19
54	18
55	-19
56	-24
57	23
58	22
59	-23
60	20
61	-21
62	-22
63	21
64	-64
65	63
66	62
67	-63
68	60
69	-61
70	-62
71	61
72	56
73	-57
74	-58
75	57
76	-60
77	59