A344551 - cp's OEIS frontend

A344551 a(n) = Sum_{k=1..n} k^floor((n-k)/k).

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	11
7	12
8	20
9	27
10	40
11	41
12	93
13	94
14	133
15	208
16	328
17	329
18	658
19	659
20	1217
21	1746
22	2269
23	2270
24	5768
25	6269
26	8330
27	12777
28	20253
29	20254
30	45253
31	45254
32	74390
33	113867
34	146652
35	161211
36	401275
37	401276
38	532367
39	886818
40	1412574
41	1412575
42	3053234
43	3053235
44	4889475
45	8396664

[1, 2, 3, 5, 6, 11, 12, 20, 27, 40, 41, 93, 94, 133, 208, 328, 329, 658, 659, 1217, 1746, 2269, 2270, 5768, 6269, 8330, 12777, 20253, 20254, 45253, 45254, 74390, 113867, 146652, 161211, 401275, 401276, 532367, 886818, 1412574, 1412575, 3053234, 3053235, 4889475, 8396664]

cp's OEIS Frontend

A344551 a(n) = Sum_{k=1..n} k^floor((n-k)/k).

Table of values

List of values