A326676 - cp's OEIS frontend

A326676 Triangular array: T(n,k) equals the number of n triangle stacks of large Schröder type with k down-triangles in the bottom row of the stack.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	0
8	2
9	1
10	0
11	0
12	1
13	3
14	1
15	0
16	0
17	1
18	3
19	4
20	1
21	0
22	0
23	1
24	3
25	6
26	5
27	1
28	0
29	0
30	0
31	4
32	7
33	10
34	6
35	1
36	0
37	0
38	0
39	3
40	10
41	14
42	15
43	7
44	1
45	0
46	0
47	0
48	2
49	11
50	21
51	25
52	21
53	8
54	1
55	0
56	0
57	0
58	1
59	10
60	28
61	40
62	41
63	28
64	9
65	1
66	0
67	0
68	0
69	1
70	9
71	31
72	60
73	71
74	63
75	36
76	10
77	1

[1, 0, 1, 0, 1, 1, 0, 0, 2, 1, 0, 0, 1, 3, 1, 0, 0, 1, 3, 4, 1, 0, 0, 1, 3, 6, 5, 1, 0, 0, 0, 4, 7, 10, 6, 1, 0, 0, 0, 3, 10, 14, 15, 7, 1, 0, 0, 0, 2, 11, 21, 25, 21, 8, 1, 0, 0, 0, 1, 10, 28, 40, 41, 28, 9, 1, 0, 0, 0, 1, 9, 31, 60, 71, 63, 36, 10, 1]

cp's OEIS Frontend

A326676 Triangular array: T(n,k) equals the number of n triangle stacks of large Schröder type with k down-triangles in the bottom row of the stack.

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	0
8	2
9	1
10	0
11	0
12	1
13	3
14	1
15	0
16	0
17	1
18	3
19	4
20	1
21	0
22	0
23	1
24	3
25	6
26	5
27	1
28	0
29	0
30	0
31	4
32	7
33	10
34	6
35	1
36	0
37	0
38	0
39	3
40	10
41	14
42	15
43	7
44	1
45	0
46	0
47	0
48	2
49	11
50	21
51	25
52	21
53	8
54	1
55	0
56	0
57	0
58	1
59	10
60	28
61	40
62	41
63	28
64	9
65	1
66	0
67	0
68	0
69	1
70	9
71	31
72	60
73	71
74	63
75	36
76	10
77	1

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	0
8	2
9	1
10	0
11	0
12	1
13	3
14	1
15	0
16	0
17	1
18	3
19	4
20	1
21	0
22	0
23	1
24	3
25	6
26	5
27	1
28	0
29	0
30	0
31	4
32	7
33	10
34	6
35	1
36	0
37	0
38	0
39	3
40	10
41	14
42	15
43	7
44	1
45	0
46	0
47	0
48	2
49	11
50	21
51	25
52	21
53	8
54	1
55	0
56	0
57	0
58	1
59	10
60	28
61	40
62	41
63	28
64	9
65	1
66	0
67	0
68	0
69	1
70	9
71	31
72	60
73	71
74	63
75	36
76	10
77	1

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	0
8	2
9	1
10	0
11	0
12	1
13	3
14	1
15	0
16	0
17	1
18	3
19	4
20	1
21	0
22	0
23	1
24	3
25	6
26	5
27	1
28	0
29	0
30	0
31	4
32	7
33	10
34	6
35	1
36	0
37	0
38	0
39	3
40	10
41	14
42	15
43	7
44	1
45	0
46	0
47	0
48	2
49	11
50	21
51	25
52	21
53	8
54	1
55	0
56	0
57	0
58	1
59	10
60	28
61	40
62	41
63	28
64	9
65	1
66	0
67	0
68	0
69	1
70	9
71	31
72	60
73	71
74	63
75	36
76	10
77	1