A201075 - cp's OEIS frontend

A201075 Irregular triangle read by rows: number of Schroeder paths of length n and weighted area n^2-k.

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

[1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 3, 4, 3, 3, 3, 1, 1, 1, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 10, 7, 6, 4, 1, 1, 1, 1, 2, 3, 4, 5, 7, 10, 13, 14, 17, 22, 25, 27, 31, 34, 34, 33, 31, 28, 21, 14, 10, 5, 1, 1, 1, 1, 2, 3, 4, 5, 7, 10, 13, 16, 21, 26, 31, 37, 45, 54]

cp's OEIS Frontend

A201075 Irregular triangle read by rows: number of Schroeder paths of length n and weighted area n^2-k.

Table of values

List of values

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

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

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