A379618 - cp's OEIS frontend

A379618 Denominators of the partial alternating sums of the reciprocals of the sum of bi-unitary divisors function (A188999).

n	a(n)
1	1
2	3
3	12
4	60
5	60
6	5
7	40
8	120
9	24
10	72
11	72
12	360
13	2520
14	1260
15	2520
16	7560
17	7560
18	1512
19	7560
20	7560
21	30240
22	30240
23	30240
24	6048
25	78624
26	78624
27	393120
28	78624
29	393120
30	393120
31	196560
32	196560
33	98280
34	10920
35	21840
36	109200
37	2074800
38	691600
39	691600
40	6224400
41	6224400
42	12448800

[1, 3, 12, 60, 60, 5, 40, 120, 24, 72, 72, 360, 2520, 1260, 2520, 7560, 7560, 1512, 7560, 7560, 30240, 30240, 30240, 6048, 78624, 78624, 393120, 78624, 393120, 393120, 196560, 196560, 98280, 10920, 21840, 109200, 2074800, 691600, 691600, 6224400, 6224400, 12448800]

cp's OEIS Frontend

A379618 Denominators of the partial alternating sums of the reciprocals of the sum of bi-unitary divisors function (A188999).

Table of values

List of values