A318504 - cp's OEIS frontend

A318504 SumXOR of divisors of n, up to, but not including the second largest of them A032742(n); a(1) = 0 by convention.

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	3
7	0
8	3
9	1
10	3
11	0
12	4
13	0
14	3
15	2
16	7
17	0
18	6
19	0
20	2
21	2
22	3
23	0
24	10
25	1
26	3
27	2
28	0
29	0
30	9
31	0
32	15
33	2
34	3
35	4
36	7
37	0
38	3
39	2
40	0
41	0
42	15
43	0
44	12
45	14
46	3
47	0
48	22
49	1
50	12
51	2
52	10
53	0
54	29
55	4
56	6
57	2
58	3
59	0
60	26
61	0
62	3
63	12
64	31
65	4
66	27
67	0
68	22
69	2
70	5
71	0
72	5
73	0
74	3
75	8
76	20
77	6
78	17
79	0
80	4
81	11
82	3
83	0
84	14
85	4
86	3
87	2
88	18
89	0
90	3
91	6
92	16
93	2
94	3
95	4
96	46
97	0
98	10
99	0
100	5
101	0
102	53
103	0
104	24
105	26

[0, 0, 0, 1, 0, 3, 0, 3, 1, 3, 0, 4, 0, 3, 2, 7, 0, 6, 0, 2, 2, 3, 0, 10, 1, 3, 2, 0, 0, 9, 0, 15, 2, 3, 4, 7, 0, 3, 2, 0, 0, 15, 0, 12, 14, 3, 0, 22, 1, 12, 2, 10, 0, 29, 4, 6, 2, 3, 0, 26, 0, 3, 12, 31, 4, 27, 0, 22, 2, 5, 0, 5, 0, 3, 8, 20, 6, 17, 0, 4, 11, 3, 0, 14, 4, 3, 2, 18, 0, 3, 6, 16, 2, 3, 4, 46, 0, 10, 0, 5, 0, 53, 0, 24, 26]

cp's OEIS Frontend

A318504 SumXOR of divisors of n, up to, but not including the second largest of them A032742(n); a(1) = 0 by convention.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	3
7	0
8	3
9	1
10	3
11	0
12	4
13	0
14	3
15	2
16	7
17	0
18	6
19	0
20	2
21	2
22	3
23	0
24	10
25	1
26	3
27	2
28	0
29	0
30	9
31	0
32	15
33	2
34	3
35	4
36	7
37	0
38	3
39	2
40	0
41	0
42	15
43	0
44	12
45	14
46	3
47	0
48	22
49	1
50	12
51	2
52	10
53	0
54	29
55	4
56	6
57	2
58	3
59	0
60	26
61	0
62	3
63	12
64	31
65	4
66	27
67	0
68	22
69	2
70	5
71	0
72	5
73	0
74	3
75	8
76	20
77	6
78	17
79	0
80	4
81	11
82	3
83	0
84	14
85	4
86	3
87	2
88	18
89	0
90	3
91	6
92	16
93	2
94	3
95	4
96	46
97	0
98	10
99	0
100	5
101	0
102	53
103	0
104	24
105	26

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	3
7	0
8	3
9	1
10	3
11	0
12	4
13	0
14	3
15	2
16	7
17	0
18	6
19	0
20	2
21	2
22	3
23	0
24	10
25	1
26	3
27	2
28	0
29	0
30	9
31	0
32	15
33	2
34	3
35	4
36	7
37	0
38	3
39	2
40	0
41	0
42	15
43	0
44	12
45	14
46	3
47	0
48	22
49	1
50	12
51	2
52	10
53	0
54	29
55	4
56	6
57	2
58	3
59	0
60	26
61	0
62	3
63	12
64	31
65	4
66	27
67	0
68	22
69	2
70	5
71	0
72	5
73	0
74	3
75	8
76	20
77	6
78	17
79	0
80	4
81	11
82	3
83	0
84	14
85	4
86	3
87	2
88	18
89	0
90	3
91	6
92	16
93	2
94	3
95	4
96	46
97	0
98	10
99	0
100	5
101	0
102	53
103	0
104	24
105	26

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	3
7	0
8	3
9	1
10	3
11	0
12	4
13	0
14	3
15	2
16	7
17	0
18	6
19	0
20	2
21	2
22	3
23	0
24	10
25	1
26	3
27	2
28	0
29	0
30	9
31	0
32	15
33	2
34	3
35	4
36	7
37	0
38	3
39	2
40	0
41	0
42	15
43	0
44	12
45	14
46	3
47	0
48	22
49	1
50	12
51	2
52	10
53	0
54	29
55	4
56	6
57	2
58	3
59	0
60	26
61	0
62	3
63	12
64	31
65	4
66	27
67	0
68	22
69	2
70	5
71	0
72	5
73	0
74	3
75	8
76	20
77	6
78	17
79	0
80	4
81	11
82	3
83	0
84	14
85	4
86	3
87	2
88	18
89	0
90	3
91	6
92	16
93	2
94	3
95	4
96	46
97	0
98	10
99	0
100	5
101	0
102	53
103	0
104	24
105	26