A016017 - cp's OEIS frontend

A016017 Smallest k such that 1/k can be written as a sum of exactly 2 unit fractions in n ways.

n	a(n)
1	1
2	2
3	4
4	8
5	6
6	32
7	64
8	12
9	256
10	512
11	24
12	2048
13	36
14	30
15	16384
16	32768
17	96
18	72
19	262144
20	192
21	1048576
22	2097152
23	60
24	8388608
25	216
26	768
27	67108864
28	288
29	1536
30	536870912
31	1073741824
32	120
33	576
34	8589934592
35	6144
36	34359738368
37	68719476736
38	180
39	864

[1, 2, 4, 8, 6, 32, 64, 12, 256, 512, 24, 2048, 36, 30, 16384, 32768, 96, 72, 262144, 192, 1048576, 2097152, 60, 8388608, 216, 768, 67108864, 288, 1536, 536870912, 1073741824, 120, 576, 8589934592, 6144, 34359738368, 68719476736, 180, 864]

cp's OEIS Frontend

A016017 Smallest k such that 1/k can be written as a sum of exactly 2 unit fractions in n ways.

Table of values

List of values