A046214 - cp's OEIS frontend

A046214 First denominator and then numerator of 1/2-Pascal triangle (by row).

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	2
10	1
11	1
12	1
13	1
14	1
15	2
16	3
17	2
18	3
19	1
20	1
21	1
22	1
23	2
24	5
25	1
26	3
27	2
28	5
29	1
30	1
31	1
32	1
33	2
34	7
35	2
36	11
37	2
38	11
39	2
40	7
41	1
42	1
43	1
44	1
45	2
46	9
47	1
48	9
49	1
50	11
51	1
52	9
53	2
54	9
55	1
56	1
57	1
58	1
59	2
60	11
61	2
62	27
63	1
64	20
65	1
66	20
67	2
68	27
69	2
70	11
71	1
72	1
73	1
74	1
75	2
76	13
77	1
78	19
79	2
80	67
81	1
82	40
83	2
84	67
85	1
86	19
87	2
88	13
89	1
90	1
91	1
92	1
93	2
94	15
95	2

[1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 3, 2, 3, 1, 1, 1, 1, 2, 5, 1, 3, 2, 5, 1, 1, 1, 1, 2, 7, 2, 11, 2, 11, 2, 7, 1, 1, 1, 1, 2, 9, 1, 9, 1, 11, 1, 9, 2, 9, 1, 1, 1, 1, 2, 11, 2, 27, 1, 20, 1, 20, 2, 27, 2, 11, 1, 1, 1, 1, 2, 13, 1, 19, 2, 67, 1, 40, 2, 67, 1, 19, 2, 13, 1, 1, 1, 1, 2, 15, 2]

cp's OEIS Frontend

A046214 First denominator and then numerator of 1/2-Pascal triangle (by row).

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	2
10	1
11	1
12	1
13	1
14	1
15	2
16	3
17	2
18	3
19	1
20	1
21	1
22	1
23	2
24	5
25	1
26	3
27	2
28	5
29	1
30	1
31	1
32	1
33	2
34	7
35	2
36	11
37	2
38	11
39	2
40	7
41	1
42	1
43	1
44	1
45	2
46	9
47	1
48	9
49	1
50	11
51	1
52	9
53	2
54	9
55	1
56	1
57	1
58	1
59	2
60	11
61	2
62	27
63	1
64	20
65	1
66	20
67	2
68	27
69	2
70	11
71	1
72	1
73	1
74	1
75	2
76	13
77	1
78	19
79	2
80	67
81	1
82	40
83	2
84	67
85	1
86	19
87	2
88	13
89	1
90	1
91	1
92	1
93	2
94	15
95	2

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	2
10	1
11	1
12	1
13	1
14	1
15	2
16	3
17	2
18	3
19	1
20	1
21	1
22	1
23	2
24	5
25	1
26	3
27	2
28	5
29	1
30	1
31	1
32	1
33	2
34	7
35	2
36	11
37	2
38	11
39	2
40	7
41	1
42	1
43	1
44	1
45	2
46	9
47	1
48	9
49	1
50	11
51	1
52	9
53	2
54	9
55	1
56	1
57	1
58	1
59	2
60	11
61	2
62	27
63	1
64	20
65	1
66	20
67	2
68	27
69	2
70	11
71	1
72	1
73	1
74	1
75	2
76	13
77	1
78	19
79	2
80	67
81	1
82	40
83	2
84	67
85	1
86	19
87	2
88	13
89	1
90	1
91	1
92	1
93	2
94	15
95	2

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	2
10	1
11	1
12	1
13	1
14	1
15	2
16	3
17	2
18	3
19	1
20	1
21	1
22	1
23	2
24	5
25	1
26	3
27	2
28	5
29	1
30	1
31	1
32	1
33	2
34	7
35	2
36	11
37	2
38	11
39	2
40	7
41	1
42	1
43	1
44	1
45	2
46	9
47	1
48	9
49	1
50	11
51	1
52	9
53	2
54	9
55	1
56	1
57	1
58	1
59	2
60	11
61	2
62	27
63	1
64	20
65	1
66	20
67	2
68	27
69	2
70	11
71	1
72	1
73	1
74	1
75	2
76	13
77	1
78	19
79	2
80	67
81	1
82	40
83	2
84	67
85	1
86	19
87	2
88	13
89	1
90	1
91	1
92	1
93	2
94	15
95	2