A161856 - cp's OEIS frontend

A161856 Triangle read by rows in which row n lists the coefficients of the interpolating polynomial for its divisors of n.

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

[1, 1, 1, 1, 2, 1, 1, 1, 1, 4, 1, 1, 0, 2, 1, 6, 1, 1, 1, 1, 1, 2, 4, 1, 1, 2, 0, 1, 10, 1, 1, 0, 0, 1, 1, 1, 12, 1, 1, 4, -2, 1, 2, 0, 8, 1, 1, 1, 1, 1, 1, 16, 1, 1, 0, 2, -4, 12, 1, 18, 1, 1, 1, -2, 7, -11, 1, 2, 2, 8, 1, 1, 8, -6, 1, 22, 1, 1, 0, 0, 1, -3, 8, -12, 1, 4, 16, 1, 1, 10, -8, 1, 2, 4, 8, 1, 1]

cp's OEIS Frontend

A161856 Triangle read by rows in which row n lists the coefficients of the interpolating polynomial for its divisors of n.

Table of values

List of values

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

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

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