A307159 - cp's OEIS frontend

A307159 Partial sums of the bi-unitary divisors sum function: Sum_{k=1..n} bsigma(k), where bsigma is A188999.

n	a(n)
1	1
2	4
3	8
4	13
5	19
6	31
7	39
8	54
9	64
10	82
11	94
12	114
13	128
14	152
15	176
16	203
17	221
18	251
19	271
20	301
21	333
22	369
23	393
24	453
25	479
26	521
27	561
28	601
29	631
30	703
31	735
32	798
33	846
34	900
35	948
36	998
37	1036
38	1096
39	1152
40	1242
41	1284
42	1380
43	1424
44	1484
45	1544
46	1616
47	1664
48	1772
49	1822
50	1900
51	1972
52	2042

[1, 4, 8, 13, 19, 31, 39, 54, 64, 82, 94, 114, 128, 152, 176, 203, 221, 251, 271, 301, 333, 369, 393, 453, 479, 521, 561, 601, 631, 703, 735, 798, 846, 900, 948, 998, 1036, 1096, 1152, 1242, 1284, 1380, 1424, 1484, 1544, 1616, 1664, 1772, 1822, 1900, 1972, 2042]

cp's OEIS Frontend

A307159 Partial sums of the bi-unitary divisors sum function: Sum_{k=1..n} bsigma(k), where bsigma is A188999.

Table of values

List of values