A321154 - cp's OEIS frontend

A321154 a(n) = s(n)*r - s(2^r + n), where s(n) = A002487(n) starting at n = 0 and r = 1 + floor(log_2(n)).

n	a(n)
0	-1
1	-1
2	0
3	1
4	1
5	4
6	3
7	5
8	2
9	9
10	7
11	12
12	5
13	13
14	8
15	11
16	3
17	16
18	13
19	23
20	10
21	27
22	17
23	24
24	7
25	25
26	18
27	29
28	11
29	26
30	15
31	19
32	4
33	25
34	21
35	38
36	17
37	47
38	30
39	43
40	13
41	48
42	35
43	57
44	22
45	53
46	31
47	40
48	9
49	41
50	32
51	55
52	23
53	60
54	37
55	51
56	14
57	47
58	33
59	52
60	19
61	43
62	24
63	29
64	5
65	36
66	31
67	57
68	26
69	73
70	47

[-1, -1, 0, 1, 1, 4, 3, 5, 2, 9, 7, 12, 5, 13, 8, 11, 3, 16, 13, 23, 10, 27, 17, 24, 7, 25, 18, 29, 11, 26, 15, 19, 4, 25, 21, 38, 17, 47, 30, 43, 13, 48, 35, 57, 22, 53, 31, 40, 9, 41, 32, 55, 23, 60, 37, 51, 14, 47, 33, 52, 19, 43, 24, 29, 5, 36, 31, 57, 26, 73, 47]

cp's OEIS Frontend

A321154 a(n) = s(n)*r - s(2^r + n), where s(n) = A002487(n) starting at n = 0 and r = 1 + floor(log_2(n)).

Table of values

List of values

n	a(n)
0	-1
1	-1
2	0
3	1
4	1
5	4
6	3
7	5
8	2
9	9
10	7
11	12
12	5
13	13
14	8
15	11
16	3
17	16
18	13
19	23
20	10
21	27
22	17
23	24
24	7
25	25
26	18
27	29
28	11
29	26
30	15
31	19
32	4
33	25
34	21
35	38
36	17
37	47
38	30
39	43
40	13
41	48
42	35
43	57
44	22
45	53
46	31
47	40
48	9
49	41
50	32
51	55
52	23
53	60
54	37
55	51
56	14
57	47
58	33
59	52
60	19
61	43
62	24
63	29
64	5
65	36
66	31
67	57
68	26
69	73
70	47

n	a(n)
0	-1
1	-1
2	0
3	1
4	1
5	4
6	3
7	5
8	2
9	9
10	7
11	12
12	5
13	13
14	8
15	11
16	3
17	16
18	13
19	23
20	10
21	27
22	17
23	24
24	7
25	25
26	18
27	29
28	11
29	26
30	15
31	19
32	4
33	25
34	21
35	38
36	17
37	47
38	30
39	43
40	13
41	48
42	35
43	57
44	22
45	53
46	31
47	40
48	9
49	41
50	32
51	55
52	23
53	60
54	37
55	51
56	14
57	47
58	33
59	52
60	19
61	43
62	24
63	29
64	5
65	36
66	31
67	57
68	26
69	73
70	47

n	a(n)
0	-1
1	-1
2	0
3	1
4	1
5	4
6	3
7	5
8	2
9	9
10	7
11	12
12	5
13	13
14	8
15	11
16	3
17	16
18	13
19	23
20	10
21	27
22	17
23	24
24	7
25	25
26	18
27	29
28	11
29	26
30	15
31	19
32	4
33	25
34	21
35	38
36	17
37	47
38	30
39	43
40	13
41	48
42	35
43	57
44	22
45	53
46	31
47	40
48	9
49	41
50	32
51	55
52	23
53	60
54	37
55	51
56	14
57	47
58	33
59	52
60	19
61	43
62	24
63	29
64	5
65	36
66	31
67	57
68	26
69	73
70	47