A344746 - cp's OEIS frontend

A344746 a(n) = Sum_{k=1..n} d(k) * k^c(n/k), where c(n) = 1 - ceiling(n) + floor(n).

n	a(n)
1	1
2	5
3	9
4	19
5	18
6	40
7	28
8	59
9	51
10	73
11	49
12	136
13	61
14	107
15	113
16	164
17	84
18	210
19	96
20	235
21	166
22	180
23	120
24	397
25	167
26	217
27	227
28	338
29	159
30	469
31	173
32	419
33	275
34	293
35	287
36	682
37	214
38	332
39	330
40	667
41	240
42	666
43	254
44	549
45	538
46	412
47	280
48	1056
49	357
50	619
51	447
52	658
53	323
54	907
55	475
56	944
57	507
58	533
59	365

[1, 5, 9, 19, 18, 40, 28, 59, 51, 73, 49, 136, 61, 107, 113, 164, 84, 210, 96, 235, 166, 180, 120, 397, 167, 217, 227, 338, 159, 469, 173, 419, 275, 293, 287, 682, 214, 332, 330, 667, 240, 666, 254, 549, 538, 412, 280, 1056, 357, 619, 447, 658, 323, 907, 475, 944, 507, 533, 365]

cp's OEIS Frontend

A344746 a(n) = Sum_{k=1..n} d(k) * k^c(n/k), where c(n) = 1 - ceiling(n) + floor(n).

Table of values

List of values