A046228 - cp's OEIS frontend

A046228 First numerator and then denominator of elements to right of central elements of 1/2-Pascal triangle (by row), excluding 1's and 2's.

n	a(n)
1	3
2	5
3	11
4	7
5	9
6	9
7	20
8	27
9	11
10	67
11	19
12	13
13	147
14	105
15	51
16	15
17	126
18	78
19	33
20	17
21	273
22	204
23	111
24	83
25	19
26	477
27	315
28	305
29	51
30	21
31	1023
32	792
33	935
34	407
35	123
36	23
37	1815
38	2519
39	671
40	265
41	73
42	25
43	3861
44	6149
45	3861
46	936
47	338
48	171
49	27
50	13871
51	5005
52	5733
53	1274
54	847
55	99
56	29
57	29315

[3, 5, 11, 7, 9, 9, 20, 27, 11, 67, 19, 13, 147, 105, 51, 15, 126, 78, 33, 17, 273, 204, 111, 83, 19, 477, 315, 305, 51, 21, 1023, 792, 935, 407, 123, 23, 1815, 2519, 671, 265, 73, 25, 3861, 6149, 3861, 936, 338, 171, 27, 13871, 5005, 5733, 1274, 847, 99, 29, 29315]

cp's OEIS Frontend

A046228 First numerator and then denominator of elements to right of central elements of 1/2-Pascal triangle (by row), excluding 1's and 2's.

Table of values

List of values