A318722 - cp's OEIS frontend

A318722 Let f(0) = 0 and f(t4^k + u) = i^t ((1+i) * 2^k - f(u)) for any t in {1, 2, 3} and k >= 0 and u such that 0 <= u < 4^k (i denoting the imaginary unit); for any n >= 0, let g(n) = (f(A042968(n)) - 1 - i) / 2; a(n) is the real part of g(n).

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

[-1, -1, 0, -1, -2, -2, -2, -2, -1, 0, 1, 1, -2, -3, -3, -1, -1, -2, -3, -4, -4, -4, -4, -3, -3, -3, -2, -3, -4, -4, -4, -4, -3, -2, -1, -1, 1, 2, 2, 0, 0, 1, 2, 3, 3, 3, 3, 2, -4, -5, -5, -3, -3, -4, -5, -6, -6, -6, -6, -5, -2, -2, -3, -2, -1, -1, -1, -1, -2]

cp's OEIS Frontend

A318722 Let f(0) = 0 and f(t4^k + u) = i^t ((1+i) * 2^k - f(u)) for any t in {1, 2, 3} and k >= 0 and u such that 0 <= u < 4^k (i denoting the imaginary unit); for any n >= 0, let g(n) = (f(A042968(n)) - 1 - i) / 2; a(n) is the real part of g(n).

Table of values

List of values

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

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

cp's OEIS Frontend

A318722 Let f(0) = 0 and f(t*4^k + u) = i^t * ((1+i) * 2^k - f(u)) for any t in {1, 2, 3} and k >= 0 and u such that 0 <= u < 4^k (i denoting the imaginary unit); for any n >= 0, let g(n) = (f(A042968(n)) - 1 - i) / 2; a(n) is the real part of g(n).

Table of values

List of values

A318722 Let f(0) = 0 and f(t4^k + u) = i^t ((1+i) * 2^k - f(u)) for any t in {1, 2, 3} and k >= 0 and u such that 0 <= u < 4^k (i denoting the imaginary unit); for any n >= 0, let g(n) = (f(A042968(n)) - 1 - i) / 2; a(n) is the real part of g(n).

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