A358799 - cp's OEIS frontend

A358799 a(0) = 0, and for any n >= 0, a(n+1) is the number of ways to write a(n) = a(i) XOR ... XOR a(j) with 0 <= i <= j <= n (where XOR denotes the bitwise XOR operator).

n	a(n)
0	0
1	1
2	2
3	1
4	3
5	4
6	2
7	5
8	4
9	5
10	6
11	8
12	2
13	11
14	2
15	13
16	6
17	14
18	10
19	9
20	9
21	12
22	14
23	16
24	2
25	24
26	6
27	29
28	5
29	23
30	3
31	27
32	12
33	23
34	9
35	26
36	17
37	13
38	26
39	19
40	15
41	32
42	4
43	46
44	2
45	51
46	1
47	45
48	6
49	48
50	6
51	49
52	7
53	41
54	9
55	47
56	10
57	49
58	17
59	37
60	21
61	38
62	23
63	36
64	24
65	49
66	30
67	48
68	24
69	52
70	22
71	45

[0, 1, 2, 1, 3, 4, 2, 5, 4, 5, 6, 8, 2, 11, 2, 13, 6, 14, 10, 9, 9, 12, 14, 16, 2, 24, 6, 29, 5, 23, 3, 27, 12, 23, 9, 26, 17, 13, 26, 19, 15, 32, 4, 46, 2, 51, 1, 45, 6, 48, 6, 49, 7, 41, 9, 47, 10, 49, 17, 37, 21, 38, 23, 36, 24, 49, 30, 48, 24, 52, 22, 45]

cp's OEIS Frontend

A358799 a(0) = 0, and for any n >= 0, a(n+1) is the number of ways to write a(n) = a(i) XOR ... XOR a(j) with 0 <= i <= j <= n (where XOR denotes the bitwise XOR operator).

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	1
4	3
5	4
6	2
7	5
8	4
9	5
10	6
11	8
12	2
13	11
14	2
15	13
16	6
17	14
18	10
19	9
20	9
21	12
22	14
23	16
24	2
25	24
26	6
27	29
28	5
29	23
30	3
31	27
32	12
33	23
34	9
35	26
36	17
37	13
38	26
39	19
40	15
41	32
42	4
43	46
44	2
45	51
46	1
47	45
48	6
49	48
50	6
51	49
52	7
53	41
54	9
55	47
56	10
57	49
58	17
59	37
60	21
61	38
62	23
63	36
64	24
65	49
66	30
67	48
68	24
69	52
70	22
71	45

n	a(n)
0	0
1	1
2	2
3	1
4	3
5	4
6	2
7	5
8	4
9	5
10	6
11	8
12	2
13	11
14	2
15	13
16	6
17	14
18	10
19	9
20	9
21	12
22	14
23	16
24	2
25	24
26	6
27	29
28	5
29	23
30	3
31	27
32	12
33	23
34	9
35	26
36	17
37	13
38	26
39	19
40	15
41	32
42	4
43	46
44	2
45	51
46	1
47	45
48	6
49	48
50	6
51	49
52	7
53	41
54	9
55	47
56	10
57	49
58	17
59	37
60	21
61	38
62	23
63	36
64	24
65	49
66	30
67	48
68	24
69	52
70	22
71	45

n	a(n)
0	0
1	1
2	2
3	1
4	3
5	4
6	2
7	5
8	4
9	5
10	6
11	8
12	2
13	11
14	2
15	13
16	6
17	14
18	10
19	9
20	9
21	12
22	14
23	16
24	2
25	24
26	6
27	29
28	5
29	23
30	3
31	27
32	12
33	23
34	9
35	26
36	17
37	13
38	26
39	19
40	15
41	32
42	4
43	46
44	2
45	51
46	1
47	45
48	6
49	48
50	6
51	49
52	7
53	41
54	9
55	47
56	10
57	49
58	17
59	37
60	21
61	38
62	23
63	36
64	24
65	49
66	30
67	48
68	24
69	52
70	22
71	45