A175779 - cp's OEIS frontend

A175779 Triangle T(n,m) read by rows: numerator of 1/(n-m)^2 - 1/n^2.

n	a(n)
0	1
1	0
2	1
3	0
4	3
5	1
6	0
7	5
8	8
9	1
10	0
11	7
12	3
13	15
14	1
15	0
16	9
17	16
18	21
19	24
20	1
21	0
22	11
23	5
24	1
25	2
26	35
27	1
28	0
29	13
30	24
31	33
32	40
33	45
34	48
35	1
36	0
37	15
38	7
39	39
40	3
41	55
42	15
43	63
44	1
45	0
46	17
47	32
48	5
49	56
50	65
51	8
52	77
53	80

[1, 0, 1, 0, 3, 1, 0, 5, 8, 1, 0, 7, 3, 15, 1, 0, 9, 16, 21, 24, 1, 0, 11, 5, 1, 2, 35, 1, 0, 13, 24, 33, 40, 45, 48, 1, 0, 15, 7, 39, 3, 55, 15, 63, 1, 0, 17, 32, 5, 56, 65, 8, 77, 80]

cp's OEIS Frontend

A175779 Triangle T(n,m) read by rows: numerator of 1/(n-m)^2 - 1/n^2.

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	0
4	3
5	1
6	0
7	5
8	8
9	1
10	0
11	7
12	3
13	15
14	1
15	0
16	9
17	16
18	21
19	24
20	1
21	0
22	11
23	5
24	1
25	2
26	35
27	1
28	0
29	13
30	24
31	33
32	40
33	45
34	48
35	1
36	0
37	15
38	7
39	39
40	3
41	55
42	15
43	63
44	1
45	0
46	17
47	32
48	5
49	56
50	65
51	8
52	77
53	80

n	a(n)
0	1
1	0
2	1
3	0
4	3
5	1
6	0
7	5
8	8
9	1
10	0
11	7
12	3
13	15
14	1
15	0
16	9
17	16
18	21
19	24
20	1
21	0
22	11
23	5
24	1
25	2
26	35
27	1
28	0
29	13
30	24
31	33
32	40
33	45
34	48
35	1
36	0
37	15
38	7
39	39
40	3
41	55
42	15
43	63
44	1
45	0
46	17
47	32
48	5
49	56
50	65
51	8
52	77
53	80

n	a(n)
0	1
1	0
2	1
3	0
4	3
5	1
6	0
7	5
8	8
9	1
10	0
11	7
12	3
13	15
14	1
15	0
16	9
17	16
18	21
19	24
20	1
21	0
22	11
23	5
24	1
25	2
26	35
27	1
28	0
29	13
30	24
31	33
32	40
33	45
34	48
35	1
36	0
37	15
38	7
39	39
40	3
41	55
42	15
43	63
44	1
45	0
46	17
47	32
48	5
49	56
50	65
51	8
52	77
53	80