A046592 - cp's OEIS frontend

A046592 First denominator and then numerator of each element of the 1/4-Pascal triangle (by row), excluding 2's.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	4
10	1
11	1
12	1
13	1
14	1
15	4
16	5
17	4
18	5
19	1
20	1
21	1
22	1
23	4
24	9
25	5
26	4
27	9
28	1
29	1
30	1
31	1
32	4
33	13
34	4
35	19
36	4
37	19
38	4
39	13
40	1
41	1
42	1
43	1
44	4
45	17
46	1
47	8
48	19
49	1
50	8
51	4
52	17
53	1
54	1
55	1
56	1
57	4
58	21
59	4
60	49
61	35
62	35
63	4
64	49
65	4
66	21
67	1
68	1
69	1
70	1
71	4
72	25
73	35
74	4
75	119
76	1
77	35
78	4
79	119
80	35
81	4
82	25
83	1
84	1
85	1
86	1
87	4
88	29

[1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 4, 5, 4, 5, 1, 1, 1, 1, 4, 9, 5, 4, 9, 1, 1, 1, 1, 4, 13, 4, 19, 4, 19, 4, 13, 1, 1, 1, 1, 4, 17, 1, 8, 19, 1, 8, 4, 17, 1, 1, 1, 1, 4, 21, 4, 49, 35, 35, 4, 49, 4, 21, 1, 1, 1, 1, 4, 25, 35, 4, 119, 1, 35, 4, 119, 35, 4, 25, 1, 1, 1, 1, 4, 29]

cp's OEIS Frontend

A046592 First denominator and then numerator of each element of the 1/4-Pascal triangle (by row), excluding 2's.

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	4
10	1
11	1
12	1
13	1
14	1
15	4
16	5
17	4
18	5
19	1
20	1
21	1
22	1
23	4
24	9
25	5
26	4
27	9
28	1
29	1
30	1
31	1
32	4
33	13
34	4
35	19
36	4
37	19
38	4
39	13
40	1
41	1
42	1
43	1
44	4
45	17
46	1
47	8
48	19
49	1
50	8
51	4
52	17
53	1
54	1
55	1
56	1
57	4
58	21
59	4
60	49
61	35
62	35
63	4
64	49
65	4
66	21
67	1
68	1
69	1
70	1
71	4
72	25
73	35
74	4
75	119
76	1
77	35
78	4
79	119
80	35
81	4
82	25
83	1
84	1
85	1
86	1
87	4
88	29

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	4
10	1
11	1
12	1
13	1
14	1
15	4
16	5
17	4
18	5
19	1
20	1
21	1
22	1
23	4
24	9
25	5
26	4
27	9
28	1
29	1
30	1
31	1
32	4
33	13
34	4
35	19
36	4
37	19
38	4
39	13
40	1
41	1
42	1
43	1
44	4
45	17
46	1
47	8
48	19
49	1
50	8
51	4
52	17
53	1
54	1
55	1
56	1
57	4
58	21
59	4
60	49
61	35
62	35
63	4
64	49
65	4
66	21
67	1
68	1
69	1
70	1
71	4
72	25
73	35
74	4
75	119
76	1
77	35
78	4
79	119
80	35
81	4
82	25
83	1
84	1
85	1
86	1
87	4
88	29

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	4
10	1
11	1
12	1
13	1
14	1
15	4
16	5
17	4
18	5
19	1
20	1
21	1
22	1
23	4
24	9
25	5
26	4
27	9
28	1
29	1
30	1
31	1
32	4
33	13
34	4
35	19
36	4
37	19
38	4
39	13
40	1
41	1
42	1
43	1
44	4
45	17
46	1
47	8
48	19
49	1
50	8
51	4
52	17
53	1
54	1
55	1
56	1
57	4
58	21
59	4
60	49
61	35
62	35
63	4
64	49
65	4
66	21
67	1
68	1
69	1
70	1
71	4
72	25
73	35
74	4
75	119
76	1
77	35
78	4
79	119
80	35
81	4
82	25
83	1
84	1
85	1
86	1
87	4
88	29