A084884 - cp's OEIS frontend

A084884 Triangular array, read by rows: T(n,k) = numerator of arithmetic derivative of n/k, 1<=k<=n.

n	a(n)
1	0
2	1
3	0
4	1
5	-1
6	0
7	4
8	1
9	8
10	0
11	1
12	-3
13	-2
14	-1
15	0
16	5
17	1
18	1
19	-1
20	19
21	0
22	1
23	-5
24	-4
25	-3
26	-2
27	-29
28	0
29	12
30	4
31	28
32	1
33	52
34	8
35	76
36	0
37	6
38	3
39	1
40	-3
41	21
42	-1
43	33
44	-15
45	0
46	7
47	1
48	11
49	-3
50	1
51	-2
52	39
53	-1
54	1
55	0
56	1
57	-9
58	-8
59	-5
60	-6
61	-49
62	-4
63	-31
64	-19
65	-67
66	0
67	16
68	5
69	4
70	1
71	68
72	1
73	100
74	-1
75	8
76	19
77	164

[0, 1, 0, 1, -1, 0, 4, 1, 8, 0, 1, -3, -2, -1, 0, 5, 1, 1, -1, 19, 0, 1, -5, -4, -3, -2, -29, 0, 12, 4, 28, 1, 52, 8, 76, 0, 6, 3, 1, -3, 21, -1, 33, -15, 0, 7, 1, 11, -3, 1, -2, 39, -1, 1, 0, 1, -9, -8, -5, -6, -49, -4, -31, -19, -67, 0, 16, 5, 4, 1, 68, 1, 100, -1, 8, 19, 164]

cp's OEIS Frontend

A084884 Triangular array, read by rows: T(n,k) = numerator of arithmetic derivative of n/k, 1<=k<=n.

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	1
5	-1
6	0
7	4
8	1
9	8
10	0
11	1
12	-3
13	-2
14	-1
15	0
16	5
17	1
18	1
19	-1
20	19
21	0
22	1
23	-5
24	-4
25	-3
26	-2
27	-29
28	0
29	12
30	4
31	28
32	1
33	52
34	8
35	76
36	0
37	6
38	3
39	1
40	-3
41	21
42	-1
43	33
44	-15
45	0
46	7
47	1
48	11
49	-3
50	1
51	-2
52	39
53	-1
54	1
55	0
56	1
57	-9
58	-8
59	-5
60	-6
61	-49
62	-4
63	-31
64	-19
65	-67
66	0
67	16
68	5
69	4
70	1
71	68
72	1
73	100
74	-1
75	8
76	19
77	164

n	a(n)
1	0
2	1
3	0
4	1
5	-1
6	0
7	4
8	1
9	8
10	0
11	1
12	-3
13	-2
14	-1
15	0
16	5
17	1
18	1
19	-1
20	19
21	0
22	1
23	-5
24	-4
25	-3
26	-2
27	-29
28	0
29	12
30	4
31	28
32	1
33	52
34	8
35	76
36	0
37	6
38	3
39	1
40	-3
41	21
42	-1
43	33
44	-15
45	0
46	7
47	1
48	11
49	-3
50	1
51	-2
52	39
53	-1
54	1
55	0
56	1
57	-9
58	-8
59	-5
60	-6
61	-49
62	-4
63	-31
64	-19
65	-67
66	0
67	16
68	5
69	4
70	1
71	68
72	1
73	100
74	-1
75	8
76	19
77	164

n	a(n)
1	0
2	1
3	0
4	1
5	-1
6	0
7	4
8	1
9	8
10	0
11	1
12	-3
13	-2
14	-1
15	0
16	5
17	1
18	1
19	-1
20	19
21	0
22	1
23	-5
24	-4
25	-3
26	-2
27	-29
28	0
29	12
30	4
31	28
32	1
33	52
34	8
35	76
36	0
37	6
38	3
39	1
40	-3
41	21
42	-1
43	33
44	-15
45	0
46	7
47	1
48	11
49	-3
50	1
51	-2
52	39
53	-1
54	1
55	0
56	1
57	-9
58	-8
59	-5
60	-6
61	-49
62	-4
63	-31
64	-19
65	-67
66	0
67	16
68	5
69	4
70	1
71	68
72	1
73	100
74	-1
75	8
76	19
77	164