A211217 - cp's OEIS frontend

A211217 Maximum of sigma(x) * sigma(y), where x + y = n.

n	a(n)
2	1
3	3
4	9
5	12
6	21
7	28
8	49
9	48
10	84
11	72
12	144
13	96
14	180
15	156
16	225
17	195
18	336
19	234
20	420
21	364
22	504
23	360
24	784
25	432
26	672
27	672
28	868
29	576
30	1092
31	744
32	1176
33	936
34	1209
35	1008
36	1680
37	992
38	1638
39	1440
40	1860
41	1344
42	2340
43	1344
44	2520
45	1920
46	2232
47	1680
48	3600
49	1860
50	3024
51	2400

[1, 3, 9, 12, 21, 28, 49, 48, 84, 72, 144, 96, 180, 156, 225, 195, 336, 234, 420, 364, 504, 360, 784, 432, 672, 672, 868, 576, 1092, 744, 1176, 936, 1209, 1008, 1680, 992, 1638, 1440, 1860, 1344, 2340, 1344, 2520, 1920, 2232, 1680, 3600, 1860, 3024, 2400]

cp's OEIS Frontend

A211217 Maximum of sigma(x) * sigma(y), where x + y = n.

Table of values

List of values