A071201 - cp's OEIS frontend

A071201 Array A(n,k) read by antidiagonals giving number of paths up and right from (0,0) to (n,k) where x/y<=n/k.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	2
9	2
10	1
11	1
12	3
13	5
14	3
15	1
16	1
17	3
18	5
19	5
20	3
21	1
22	1
23	4
24	7
25	14
26	7
27	4
28	1
29	1
30	4
31	12
32	14
33	14
34	12
35	4
36	1
37	1
38	5
39	12
40	23
41	42
42	23
43	12
44	5
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	6
58	22
59	55
60	66
61	132
62	66
63	55
64	22
65	6
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	7
81	26
82	76
83	143
84	227
85	429
86	227
87	143
88	76
89	26
90	7
91	1

[1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 3, 5, 3, 1, 1, 3, 5, 5, 3, 1, 1, 4, 7, 14, 7, 4, 1, 1, 4, 12, 14, 14, 12, 4, 1, 1, 5, 12, 23, 42, 23, 12, 5, 1, 1, 5, 15, 30, 42, 42, 30, 15, 5, 1, 1, 6, 22, 55, 66, 132, 66, 55, 22, 6, 1, 1, 6, 22, 55, 99, 132, 132, 99, 55, 22, 6, 1, 1, 7, 26, 76, 143, 227, 429, 227, 143, 76, 26, 7, 1]

cp's OEIS Frontend

A071201 Array A(n,k) read by antidiagonals giving number of paths up and right from (0,0) to (n,k) where x/y<=n/k.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	2
9	2
10	1
11	1
12	3
13	5
14	3
15	1
16	1
17	3
18	5
19	5
20	3
21	1
22	1
23	4
24	7
25	14
26	7
27	4
28	1
29	1
30	4
31	12
32	14
33	14
34	12
35	4
36	1
37	1
38	5
39	12
40	23
41	42
42	23
43	12
44	5
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	6
58	22
59	55
60	66
61	132
62	66
63	55
64	22
65	6
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	7
81	26
82	76
83	143
84	227
85	429
86	227
87	143
88	76
89	26
90	7
91	1

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	2
9	2
10	1
11	1
12	3
13	5
14	3
15	1
16	1
17	3
18	5
19	5
20	3
21	1
22	1
23	4
24	7
25	14
26	7
27	4
28	1
29	1
30	4
31	12
32	14
33	14
34	12
35	4
36	1
37	1
38	5
39	12
40	23
41	42
42	23
43	12
44	5
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	6
58	22
59	55
60	66
61	132
62	66
63	55
64	22
65	6
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	7
81	26
82	76
83	143
84	227
85	429
86	227
87	143
88	76
89	26
90	7
91	1

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	2
9	2
10	1
11	1
12	3
13	5
14	3
15	1
16	1
17	3
18	5
19	5
20	3
21	1
22	1
23	4
24	7
25	14
26	7
27	4
28	1
29	1
30	4
31	12
32	14
33	14
34	12
35	4
36	1
37	1
38	5
39	12
40	23
41	42
42	23
43	12
44	5
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	6
58	22
59	55
60	66
61	132
62	66
63	55
64	22
65	6
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	7
81	26
82	76
83	143
84	227
85	429
86	227
87	143
88	76
89	26
90	7
91	1