A046230 - cp's OEIS frontend

A046230 First denominator and then numerator of elements to right of central elements of 1/2-Pascal triangle (by row), excluding 2's.

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	1
8	5
9	1
10	1
11	11
12	7
13	1
14	1
15	1
16	9
17	9
18	1
19	1
20	1
21	20
22	27
23	11
24	1
25	1
26	67
27	1
28	19
29	13
30	1
31	1
32	147
33	105
34	51
35	15
36	1
37	1
38	1
39	126
40	1
41	78
42	1
43	33
44	17
45	1
46	1
47	1
48	273
49	1
50	204
51	1
52	111
53	83
54	19
55	1
56	1
57	1
58	477
59	1
60	315
61	305
62	1
63	51
64	21
65	1
66	1
67	1
68	1023
69	1
70	792
71	935
72	407
73	123
74	23
75	1
76	1
77	1
78	1815

[1, 1, 1, 1, 3, 1, 1, 5, 1, 1, 11, 7, 1, 1, 1, 9, 9, 1, 1, 1, 20, 27, 11, 1, 1, 67, 1, 19, 13, 1, 1, 147, 105, 51, 15, 1, 1, 1, 126, 1, 78, 1, 33, 17, 1, 1, 1, 273, 1, 204, 1, 111, 83, 19, 1, 1, 1, 477, 1, 315, 305, 1, 51, 21, 1, 1, 1, 1023, 1, 792, 935, 407, 123, 23, 1, 1, 1, 1815]

cp's OEIS Frontend

A046230 First denominator and then numerator of elements to right of central elements of 1/2-Pascal triangle (by row), excluding 2's.

Table of values

List of values