A137764 - cp's OEIS frontend

A137764 Elements to the right of the central elements in writing first the denominator and then the numerator(left to right) of Leibniz's harmonic-like triangle.

n	a(n)
1	2
2	1
3	3
4	1
5	12
6	7
7	4
8	1
9	20
10	9
11	5
12	1
13	60
14	49
15	30
16	11
17	6
18	1
19	105
20	71
21	42
22	13
23	7
24	1
25	280
26	351
27	168
28	97
29	56
30	15
31	8
32	1
33	504
34	545
35	252
36	127
37	72
38	17
39	9
40	1
41	1260
42	2561
43	840
44	799
45	360
46	161
47	90
48	19
49	10
50	1
51	2310
52	4159
53	1320
54	1121
55	495
56	199
57	110
58	21
59	11
60	1

[2, 1, 3, 1, 12, 7, 4, 1, 20, 9, 5, 1, 60, 49, 30, 11, 6, 1, 105, 71, 42, 13, 7, 1, 280, 351, 168, 97, 56, 15, 8, 1, 504, 545, 252, 127, 72, 17, 9, 1, 1260, 2561, 840, 799, 360, 161, 90, 19, 10, 1, 2310, 4159, 1320, 1121, 495, 199, 110, 21, 11, 1]

cp's OEIS Frontend

A137764 Elements to the right of the central elements in writing first the denominator and then the numerator(left to right) of Leibniz's harmonic-like triangle.

Table of values

List of values