A356142 - cp's OEIS frontend

A356142 a(n) is the reduced numerator of the arithmetic mean of the first n terms of the sequence [n + 1/n, n > 0].

n	a(n)
1	2
2	9
3	47
4	145
5	1037
6	469
7	4283
8	10841
9	120529
10	145981
11	1913231
12	2248181
13	33938753
14	39009533
15	44438957
16	100454479
17	1916734943
18	712651981
19	15018824599
20	662986195
21	1213859861
22	1327904701
23	33283587163
24	108432400555
25	2934259832467
26	3166619637067
27	30671014001603
28	32922658468103

[2, 9, 47, 145, 1037, 469, 4283, 10841, 120529, 145981, 1913231, 2248181, 33938753, 39009533, 44438957, 100454479, 1916734943, 712651981, 15018824599, 662986195, 1213859861, 1327904701, 33283587163, 108432400555, 2934259832467, 3166619637067, 30671014001603, 32922658468103]

cp's OEIS Frontend

A356142 a(n) is the reduced numerator of the arithmetic mean of the first n terms of the sequence [n + 1/n, n > 0].

Table of values

List of values