A153585 - cp's OEIS frontend

A153585 Convolution triangle, A053121 * (A001405 * 0^(n-k)).

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	2
6	0
7	2
8	0
9	3
10	2
11	0
12	6
13	0
14	6
15	0
16	5
17	0
18	12
19	0
20	10
21	5
22	0
23	18
24	0
25	30
26	0
27	20
28	0
29	14
30	0
31	42
32	0
33	60
34	0
35	35
36	14
37	0
38	56
39	0
40	120
41	0
42	140
43	0
44	70
45	0
46	42
47	0
48	144
49	0
50	270
51	0
52	280
53	0
54	126

[1, 0, 1, 1, 0, 2, 0, 2, 0, 3, 2, 0, 6, 0, 6, 0, 5, 0, 12, 0, 10, 5, 0, 18, 0, 30, 0, 20, 0, 14, 0, 42, 0, 60, 0, 35, 14, 0, 56, 0, 120, 0, 140, 0, 70, 0, 42, 0, 144, 0, 270, 0, 280, 0, 126]

cp's OEIS Frontend

A153585 Convolution triangle, A053121 * (A001405 * 0^(n-k)).

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	2
6	0
7	2
8	0
9	3
10	2
11	0
12	6
13	0
14	6
15	0
16	5
17	0
18	12
19	0
20	10
21	5
22	0
23	18
24	0
25	30
26	0
27	20
28	0
29	14
30	0
31	42
32	0
33	60
34	0
35	35
36	14
37	0
38	56
39	0
40	120
41	0
42	140
43	0
44	70
45	0
46	42
47	0
48	144
49	0
50	270
51	0
52	280
53	0
54	126

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	2
6	0
7	2
8	0
9	3
10	2
11	0
12	6
13	0
14	6
15	0
16	5
17	0
18	12
19	0
20	10
21	5
22	0
23	18
24	0
25	30
26	0
27	20
28	0
29	14
30	0
31	42
32	0
33	60
34	0
35	35
36	14
37	0
38	56
39	0
40	120
41	0
42	140
43	0
44	70
45	0
46	42
47	0
48	144
49	0
50	270
51	0
52	280
53	0
54	126

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	2
6	0
7	2
8	0
9	3
10	2
11	0
12	6
13	0
14	6
15	0
16	5
17	0
18	12
19	0
20	10
21	5
22	0
23	18
24	0
25	30
26	0
27	20
28	0
29	14
30	0
31	42
32	0
33	60
34	0
35	35
36	14
37	0
38	56
39	0
40	120
41	0
42	140
43	0
44	70
45	0
46	42
47	0
48	144
49	0
50	270
51	0
52	280
53	0
54	126