A365272 - cp's OEIS frontend

A365272 a(n) is the least positive integer that can be expressed as the sum of two distinct prime powers (A000961) in exactly n ways.

n	a(n)
0	1
1	3
2	5
3	9
4	12
5	20
6	30
7	36
8	48
9	66
10	72
11	84
12	90
13	120
14	144
15	132
16	150
17	192
18	180
19	246
20	264
21	210
22	252
23	270
24	294
25	300
26	330
27	486
28	360
29	516
30	522
31	468
32	390
33	462
34	420
35	480
36	540
37	510
38	570
39	600
40	714
41	756
42	936
43	750
44	690
45	660
46	630
47	810
48	780
49	924
50	870
51	1296
52	930
53	1122
54	1404
55	840

[1, 3, 5, 9, 12, 20, 30, 36, 48, 66, 72, 84, 90, 120, 144, 132, 150, 192, 180, 246, 264, 210, 252, 270, 294, 300, 330, 486, 360, 516, 522, 468, 390, 462, 420, 480, 540, 510, 570, 600, 714, 756, 936, 750, 690, 660, 630, 810, 780, 924, 870, 1296, 930, 1122, 1404, 840]

cp's OEIS Frontend

A365272 a(n) is the least positive integer that can be expressed as the sum of two distinct prime powers (A000961) in exactly n ways.

Table of values

List of values