A127954 - cp's OEIS frontend

A127954 Triangle, A097805 * A127648.

n	a(n)
1	1
2	0
3	2
4	0
5	2
6	3
7	0
8	2
9	6
10	4
11	0
12	2
13	9
14	12
15	5
16	0
17	2
18	12
19	24
20	20
21	6
22	0
23	2
24	15
25	40
26	50
27	30
28	7
29	0
30	2
31	18
32	60
33	100
34	90
35	42
36	8
37	0
38	2
39	21
40	84
41	175
42	210
43	147
44	56
45	9
46	0
47	2
48	24
49	112
50	280
51	420
52	392
53	224
54	72
55	10

[1, 0, 2, 0, 2, 3, 0, 2, 6, 4, 0, 2, 9, 12, 5, 0, 2, 12, 24, 20, 6, 0, 2, 15, 40, 50, 30, 7, 0, 2, 18, 60, 100, 90, 42, 8, 0, 2, 21, 84, 175, 210, 147, 56, 9, 0, 2, 24, 112, 280, 420, 392, 224, 72, 10]

cp's OEIS Frontend

A127954 Triangle, A097805 * A127648.

Table of values

List of values

n	a(n)
1	1
2	0
3	2
4	0
5	2
6	3
7	0
8	2
9	6
10	4
11	0
12	2
13	9
14	12
15	5
16	0
17	2
18	12
19	24
20	20
21	6
22	0
23	2
24	15
25	40
26	50
27	30
28	7
29	0
30	2
31	18
32	60
33	100
34	90
35	42
36	8
37	0
38	2
39	21
40	84
41	175
42	210
43	147
44	56
45	9
46	0
47	2
48	24
49	112
50	280
51	420
52	392
53	224
54	72
55	10

n	a(n)
1	1
2	0
3	2
4	0
5	2
6	3
7	0
8	2
9	6
10	4
11	0
12	2
13	9
14	12
15	5
16	0
17	2
18	12
19	24
20	20
21	6
22	0
23	2
24	15
25	40
26	50
27	30
28	7
29	0
30	2
31	18
32	60
33	100
34	90
35	42
36	8
37	0
38	2
39	21
40	84
41	175
42	210
43	147
44	56
45	9
46	0
47	2
48	24
49	112
50	280
51	420
52	392
53	224
54	72
55	10

n	a(n)
1	1
2	0
3	2
4	0
5	2
6	3
7	0
8	2
9	6
10	4
11	0
12	2
13	9
14	12
15	5
16	0
17	2
18	12
19	24
20	20
21	6
22	0
23	2
24	15
25	40
26	50
27	30
28	7
29	0
30	2
31	18
32	60
33	100
34	90
35	42
36	8
37	0
38	2
39	21
40	84
41	175
42	210
43	147
44	56
45	9
46	0
47	2
48	24
49	112
50	280
51	420
52	392
53	224
54	72
55	10