A249820 - cp's OEIS frontend

A249820 a(1) = 0 and for n > 1: a(n) = A249810(n) - A078898(n) = A078898(A003961(n)) - A078898(n).

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	0
10	-1
11	0
12	2
13	0
14	-1
15	0
16	6
17	0
18	4
19	0
20	1
21	0
22	-4
23	0
24	11
25	0
26	-4
27	4
28	3
29	0
30	3
31	0
32	25
33	-1
34	-7
35	0
36	20
37	0
38	-7
39	-1
40	12
41	0
42	7
43	0
44	-2
45	4
46	-8
47	0
48	44
49	0
50	0
51	-2
52	0
53	0
54	36
55	0
56	22
57	-2
58	-13
59	0
60	23
61	0
62	-12
63	8
64	90
65	0
66	0
67	0
68	-5
69	-2
70	4
71	0
72	77
73	0
74	-16
75	4
76	-3
77	0
78	4
79	0
80	55
81	28
82	-19
83	0
84	41
85	0
86	-19
87	-4
88	15
89	0
90	43
91	0
92	-2
93	-3
94	-20
95	0
96	155
97	0
98	12
99	5
100	24
101	0

[0, 0, 0, 0, 0, 0, 0, 1, 0, -1, 0, 2, 0, -1, 0, 6, 0, 4, 0, 1, 0, -4, 0, 11, 0, -4, 4, 3, 0, 3, 0, 25, -1, -7, 0, 20, 0, -7, -1, 12, 0, 7, 0, -2, 4, -8, 0, 44, 0, 0, -2, 0, 0, 36, 0, 22, -2, -13, 0, 23, 0, -12, 8, 90, 0, 0, 0, -5, -2, 4, 0, 77, 0, -16, 4, -3, 0, 4, 0, 55, 28, -19, 0, 41, 0, -19, -4, 15, 0, 43, 0, -2, -3, -20, 0, 155, 0, 12, 5, 24, 0]

cp's OEIS Frontend

A249820 a(1) = 0 and for n > 1: a(n) = A249810(n) - A078898(n) = A078898(A003961(n)) - A078898(n).

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	0
10	-1
11	0
12	2
13	0
14	-1
15	0
16	6
17	0
18	4
19	0
20	1
21	0
22	-4
23	0
24	11
25	0
26	-4
27	4
28	3
29	0
30	3
31	0
32	25
33	-1
34	-7
35	0
36	20
37	0
38	-7
39	-1
40	12
41	0
42	7
43	0
44	-2
45	4
46	-8
47	0
48	44
49	0
50	0
51	-2
52	0
53	0
54	36
55	0
56	22
57	-2
58	-13
59	0
60	23
61	0
62	-12
63	8
64	90
65	0
66	0
67	0
68	-5
69	-2
70	4
71	0
72	77
73	0
74	-16
75	4
76	-3
77	0
78	4
79	0
80	55
81	28
82	-19
83	0
84	41
85	0
86	-19
87	-4
88	15
89	0
90	43
91	0
92	-2
93	-3
94	-20
95	0
96	155
97	0
98	12
99	5
100	24
101	0

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	0
10	-1
11	0
12	2
13	0
14	-1
15	0
16	6
17	0
18	4
19	0
20	1
21	0
22	-4
23	0
24	11
25	0
26	-4
27	4
28	3
29	0
30	3
31	0
32	25
33	-1
34	-7
35	0
36	20
37	0
38	-7
39	-1
40	12
41	0
42	7
43	0
44	-2
45	4
46	-8
47	0
48	44
49	0
50	0
51	-2
52	0
53	0
54	36
55	0
56	22
57	-2
58	-13
59	0
60	23
61	0
62	-12
63	8
64	90
65	0
66	0
67	0
68	-5
69	-2
70	4
71	0
72	77
73	0
74	-16
75	4
76	-3
77	0
78	4
79	0
80	55
81	28
82	-19
83	0
84	41
85	0
86	-19
87	-4
88	15
89	0
90	43
91	0
92	-2
93	-3
94	-20
95	0
96	155
97	0
98	12
99	5
100	24
101	0

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	0
10	-1
11	0
12	2
13	0
14	-1
15	0
16	6
17	0
18	4
19	0
20	1
21	0
22	-4
23	0
24	11
25	0
26	-4
27	4
28	3
29	0
30	3
31	0
32	25
33	-1
34	-7
35	0
36	20
37	0
38	-7
39	-1
40	12
41	0
42	7
43	0
44	-2
45	4
46	-8
47	0
48	44
49	0
50	0
51	-2
52	0
53	0
54	36
55	0
56	22
57	-2
58	-13
59	0
60	23
61	0
62	-12
63	8
64	90
65	0
66	0
67	0
68	-5
69	-2
70	4
71	0
72	77
73	0
74	-16
75	4
76	-3
77	0
78	4
79	0
80	55
81	28
82	-19
83	0
84	41
85	0
86	-19
87	-4
88	15
89	0
90	43
91	0
92	-2
93	-3
94	-20
95	0
96	155
97	0
98	12
99	5
100	24
101	0