A359506 - cp's OEIS frontend

A359506 a(n) is the least integer m such that there exists a strictly increasing integer sequence n = b_1 < b_2 < ... < b_t = m with the property that b_1 XOR b_2 XOR ... XOR b_t = 0.

n	a(n)
0	0
1	3
2	5
3	6
4	7
5	10
6	9
7	12
8	11
9	14
10	13
11	20
12	15
13	18
14	17
15	24
16	19
17	22
18	21
19	28
20	23
21	26
22	25
23	40
24	27
25	30
26	29
27	36
28	31
29	34
30	33
31	48
32	35
33	38
34	37
35	44
36	39
37	42
38	41
39	56
40	43
41	46
42	45
43	52
44	47
45	50
46	49
47	80
48	51
49	54
50	53
51	60
52	55
53	58
54	57
55	72
56	59
57	62
58	61
59	68
60	63
61	66
62	65
63	96
64	67

[0, 3, 5, 6, 7, 10, 9, 12, 11, 14, 13, 20, 15, 18, 17, 24, 19, 22, 21, 28, 23, 26, 25, 40, 27, 30, 29, 36, 31, 34, 33, 48, 35, 38, 37, 44, 39, 42, 41, 56, 43, 46, 45, 52, 47, 50, 49, 80, 51, 54, 53, 60, 55, 58, 57, 72, 59, 62, 61, 68, 63, 66, 65, 96, 67]

cp's OEIS Frontend

A359506 a(n) is the least integer m such that there exists a strictly increasing integer sequence n = b_1 < b_2 < ... < b_t = m with the property that b_1 XOR b_2 XOR ... XOR b_t = 0.

Table of values

List of values

n	a(n)
0	0
1	3
2	5
3	6
4	7
5	10
6	9
7	12
8	11
9	14
10	13
11	20
12	15
13	18
14	17
15	24
16	19
17	22
18	21
19	28
20	23
21	26
22	25
23	40
24	27
25	30
26	29
27	36
28	31
29	34
30	33
31	48
32	35
33	38
34	37
35	44
36	39
37	42
38	41
39	56
40	43
41	46
42	45
43	52
44	47
45	50
46	49
47	80
48	51
49	54
50	53
51	60
52	55
53	58
54	57
55	72
56	59
57	62
58	61
59	68
60	63
61	66
62	65
63	96
64	67

n	a(n)
0	0
1	3
2	5
3	6
4	7
5	10
6	9
7	12
8	11
9	14
10	13
11	20
12	15
13	18
14	17
15	24
16	19
17	22
18	21
19	28
20	23
21	26
22	25
23	40
24	27
25	30
26	29
27	36
28	31
29	34
30	33
31	48
32	35
33	38
34	37
35	44
36	39
37	42
38	41
39	56
40	43
41	46
42	45
43	52
44	47
45	50
46	49
47	80
48	51
49	54
50	53
51	60
52	55
53	58
54	57
55	72
56	59
57	62
58	61
59	68
60	63
61	66
62	65
63	96
64	67

n	a(n)
0	0
1	3
2	5
3	6
4	7
5	10
6	9
7	12
8	11
9	14
10	13
11	20
12	15
13	18
14	17
15	24
16	19
17	22
18	21
19	28
20	23
21	26
22	25
23	40
24	27
25	30
26	29
27	36
28	31
29	34
30	33
31	48
32	35
33	38
34	37
35	44
36	39
37	42
38	41
39	56
40	43
41	46
42	45
43	52
44	47
45	50
46	49
47	80
48	51
49	54
50	53
51	60
52	55
53	58
54	57
55	72
56	59
57	62
58	61
59	68
60	63
61	66
62	65
63	96
64	67