A210381 - cp's OEIS frontend

A210381 Triangle by rows, derived from the beheaded Pascal's triangle, A074909.

n	a(n)
0	1
1	0
2	2
3	0
4	1
5	3
6	0
7	1
8	3
9	4
10	0
11	1
12	4
13	6
14	5
15	0
16	1
17	5
18	10
19	10
20	6
21	0
22	1
23	6
24	15
25	20
26	15
27	7
28	0
29	1
30	7
31	21
32	35
33	35
34	21
35	8
36	0
37	1
38	8
39	28
40	56
41	70
42	56
43	28
44	9
45	0
46	1
47	9
48	36
49	84
50	126
51	126
52	84
53	36
54	10
55	0
56	1
57	10
58	45
59	120
60	210
61	252
62	210
63	120
64	45
65	11

[1, 0, 2, 0, 1, 3, 0, 1, 3, 4, 0, 1, 4, 6, 5, 0, 1, 5, 10, 10, 6, 0, 1, 6, 15, 20, 15, 7, 0, 1, 7, 21, 35, 35, 21, 8, 0, 1, 8, 28, 56, 70, 56, 28, 9, 0, 1, 9, 36, 84, 126, 126, 84, 36, 10, 0, 1, 10, 45, 120, 210, 252, 210, 120, 45, 11]

cp's OEIS Frontend

A210381 Triangle by rows, derived from the beheaded Pascal's triangle, A074909.

Table of values

List of values

n	a(n)
0	1
1	0
2	2
3	0
4	1
5	3
6	0
7	1
8	3
9	4
10	0
11	1
12	4
13	6
14	5
15	0
16	1
17	5
18	10
19	10
20	6
21	0
22	1
23	6
24	15
25	20
26	15
27	7
28	0
29	1
30	7
31	21
32	35
33	35
34	21
35	8
36	0
37	1
38	8
39	28
40	56
41	70
42	56
43	28
44	9
45	0
46	1
47	9
48	36
49	84
50	126
51	126
52	84
53	36
54	10
55	0
56	1
57	10
58	45
59	120
60	210
61	252
62	210
63	120
64	45
65	11

n	a(n)
0	1
1	0
2	2
3	0
4	1
5	3
6	0
7	1
8	3
9	4
10	0
11	1
12	4
13	6
14	5
15	0
16	1
17	5
18	10
19	10
20	6
21	0
22	1
23	6
24	15
25	20
26	15
27	7
28	0
29	1
30	7
31	21
32	35
33	35
34	21
35	8
36	0
37	1
38	8
39	28
40	56
41	70
42	56
43	28
44	9
45	0
46	1
47	9
48	36
49	84
50	126
51	126
52	84
53	36
54	10
55	0
56	1
57	10
58	45
59	120
60	210
61	252
62	210
63	120
64	45
65	11

n	a(n)
0	1
1	0
2	2
3	0
4	1
5	3
6	0
7	1
8	3
9	4
10	0
11	1
12	4
13	6
14	5
15	0
16	1
17	5
18	10
19	10
20	6
21	0
22	1
23	6
24	15
25	20
26	15
27	7
28	0
29	1
30	7
31	21
32	35
33	35
34	21
35	8
36	0
37	1
38	8
39	28
40	56
41	70
42	56
43	28
44	9
45	0
46	1
47	9
48	36
49	84
50	126
51	126
52	84
53	36
54	10
55	0
56	1
57	10
58	45
59	120
60	210
61	252
62	210
63	120
64	45
65	11