A290985 - cp's OEIS frontend

A290985 Number of amicable pairs with lesser member at most 2^n.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	1
10	1
11	2
12	3
13	5
14	7
15	8
16	9
17	16
18	22
19	30
20	42
21	57
22	68
23	95
24	133
25	167
26	205
27	257
28	342
29	460
30	605
31	786
32	1043
33	1356
34	1749
35	2294
36	2905
37	3757
38	4811
39	6181
40	7893
41	10146
42	13051
43	16762
44	21396
45	27380
46	34939
47	44449
48	56481
49	71453
50	90783
51	115200
52	145702
53	184045
54	232899
55	294326
56	372216

[0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 3, 5, 7, 8, 9, 16, 22, 30, 42, 57, 68, 95, 133, 167, 205, 257, 342, 460, 605, 786, 1043, 1356, 1749, 2294, 2905, 3757, 4811, 6181, 7893, 10146, 13051, 16762, 21396, 27380, 34939, 44449, 56481, 71453, 90783, 115200, 145702, 184045, 232899, 294326, 372216]

cp's OEIS Frontend

A290985 Number of amicable pairs with lesser member at most 2^n.

Table of values

List of values