A071202 - cp's OEIS frontend

A071202 Array read by antidiagonals giving number of paths up and left from (0,0) to (n,k) where x/y (except at start and finish).

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	2
14	2
15	1
16	1
17	3
18	5
19	5
20	3
21	1
22	1
23	3
24	7
25	5
26	7
27	3
28	1
29	1
30	4
31	7
32	14
33	14
34	7
35	4
36	1
37	1
38	4
39	12
40	19
41	14
42	19
43	12
44	4
45	1
46	1
47	5
48	15
49	30
50	42
51	42
52	30
53	15
54	5
55	1
56	1
57	5
58	15
59	30
60	66
61	42
62	66
63	30
64	15
65	5
66	1
67	1
68	6
69	22
70	55
71	99
72	132
73	132
74	99
75	55
76	22
77	6
78	1
79	1
80	6
81	26
82	67
83	143
84	202
85	132

[1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 2, 1, 1, 3, 5, 5, 3, 1, 1, 3, 7, 5, 7, 3, 1, 1, 4, 7, 14, 14, 7, 4, 1, 1, 4, 12, 19, 14, 19, 12, 4, 1, 1, 5, 15, 30, 42, 42, 30, 15, 5, 1, 1, 5, 15, 30, 66, 42, 66, 30, 15, 5, 1, 1, 6, 22, 55, 99, 132, 132, 99, 55, 22, 6, 1, 1, 6, 26, 67, 143, 202, 132]

cp's OEIS Frontend

A071202 Array read by antidiagonals giving number of paths up and left from (0,0) to (n,k) where x/y (except at start and finish).

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	2
14	2
15	1
16	1
17	3
18	5
19	5
20	3
21	1
22	1
23	3
24	7
25	5
26	7
27	3
28	1
29	1
30	4
31	7
32	14
33	14
34	7
35	4
36	1
37	1
38	4
39	12
40	19
41	14
42	19
43	12
44	4
45	1
46	1
47	5
48	15
49	30
50	42
51	42
52	30
53	15
54	5
55	1
56	1
57	5
58	15
59	30
60	66
61	42
62	66
63	30
64	15
65	5
66	1
67	1
68	6
69	22
70	55
71	99
72	132
73	132
74	99
75	55
76	22
77	6
78	1
79	1
80	6
81	26
82	67
83	143
84	202
85	132

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	2
14	2
15	1
16	1
17	3
18	5
19	5
20	3
21	1
22	1
23	3
24	7
25	5
26	7
27	3
28	1
29	1
30	4
31	7
32	14
33	14
34	7
35	4
36	1
37	1
38	4
39	12
40	19
41	14
42	19
43	12
44	4
45	1
46	1
47	5
48	15
49	30
50	42
51	42
52	30
53	15
54	5
55	1
56	1
57	5
58	15
59	30
60	66
61	42
62	66
63	30
64	15
65	5
66	1
67	1
68	6
69	22
70	55
71	99
72	132
73	132
74	99
75	55
76	22
77	6
78	1
79	1
80	6
81	26
82	67
83	143
84	202
85	132

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	2
14	2
15	1
16	1
17	3
18	5
19	5
20	3
21	1
22	1
23	3
24	7
25	5
26	7
27	3
28	1
29	1
30	4
31	7
32	14
33	14
34	7
35	4
36	1
37	1
38	4
39	12
40	19
41	14
42	19
43	12
44	4
45	1
46	1
47	5
48	15
49	30
50	42
51	42
52	30
53	15
54	5
55	1
56	1
57	5
58	15
59	30
60	66
61	42
62	66
63	30
64	15
65	5
66	1
67	1
68	6
69	22
70	55
71	99
72	132
73	132
74	99
75	55
76	22
77	6
78	1
79	1
80	6
81	26
82	67
83	143
84	202
85	132