A137756 - cp's OEIS frontend

A137756 Nontrivial elements in writing the numerator of an element first and then the denominator of that element (left to right) of Leibniz's harmonic-like triangle. That is, the nontrivial elements of A137752.

n	a(n)
1	2
2	2
3	3
4	5
5	6
6	3
7	4
8	7
9	12
10	7
11	12
12	4
13	5
14	9
15	20
16	31
17	30
18	9
19	20
20	5
21	6
22	11
23	30
24	49
25	60
26	49
27	60
28	11
29	30
30	6
31	7
32	13
33	42
34	71
35	105
36	209
37	140
38	71
39	105
40	13
41	42
42	7
43	8
44	15
45	56
46	97
47	168
48	351
49	280
50	351
51	280
52	97
53	168
54	15
55	56
56	8
57	9
58	17
59	72
60	127
61	252
62	545
63	504
64	1471

[2, 2, 3, 5, 6, 3, 4, 7, 12, 7, 12, 4, 5, 9, 20, 31, 30, 9, 20, 5, 6, 11, 30, 49, 60, 49, 60, 11, 30, 6, 7, 13, 42, 71, 105, 209, 140, 71, 105, 13, 42, 7, 8, 15, 56, 97, 168, 351, 280, 351, 280, 97, 168, 15, 56, 8, 9, 17, 72, 127, 252, 545, 504, 1471]

cp's OEIS Frontend

A137756 Nontrivial elements in writing the numerator of an element first and then the denominator of that element (left to right) of Leibniz's harmonic-like triangle. That is, the nontrivial elements of A137752.

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List of values