A175346 - cp's OEIS frontend

A175346 a(n) = Sum_{k=1..n^2} d(k), d(k) = number of divisors of k (A000005).

n	a(n)
1	1
2	8
3	23
4	50
5	87
6	140
7	201
8	280
9	373
10	482
11	605
12	746
13	897
14	1070
15	1261
16	1466
17	1689
18	1932
19	2189
20	2468
21	2761
22	3074
23	3405
24	3764
25	4127
26	4518
27	4925
28	5360
29	5807
30	6276
31	6757
32	7262
33	7789
34	8342
35	8915
36	9502
37	10107

[1, 8, 23, 50, 87, 140, 201, 280, 373, 482, 605, 746, 897, 1070, 1261, 1466, 1689, 1932, 2189, 2468, 2761, 3074, 3405, 3764, 4127, 4518, 4925, 5360, 5807, 6276, 6757, 7262, 7789, 8342, 8915, 9502, 10107]

cp's OEIS Frontend

A175346 a(n) = Sum_{k=1..n^2} d(k), d(k) = number of divisors of k (A000005).

Table of values

List of values