k
|
k次殆素数
|
OEIS数列
|
---|
1 |
2, 3, 5, 7, 11, 13, 17, 19, ...
|
A000040
|
2 |
4, 6, 9, 10, 14, 15, 21, 22, ...
|
A001358
|
3 |
8, 12, 18, 20, 27, 28, 30, ...
|
A014612
|
4 |
16, 24, 36, 40, 54, 56, 60, ...
|
A014613
|
5 |
32, 48, 72, 80, 108, 112, ...
|
A014614
|
6 |
64, 96, 144, 160, 216, 224, ...
|
A046306
|
7 |
128, 192, 288, 320, 432, 448, ...
|
A046308
|
8 |
256, 384, 576, 640, 864, 896, ...
|
A046310
|
9 |
512, 768, 1152, 1280, 1728, ...
|
A046312
|
10 |
1024, 1536, 2304, 2560, ...
|
A046314
|
11 |
2048, 3072, 4608, 5120, ...
|
A069272
|
12 |
4096, 6144, 9216, 10240, ...
|
A069273
|
13 |
8192, 12288, 18432, 20480, ...
|
A069274
|
14 |
16384, 24576, 36864, 40960, ...
|
A069275
|
15 |
32768, 49152, 73728, 81920, ...
|
A069276
|
16 |
65536, 98304, 147456, ...
|
A069277
|
17 |
131072, 196608, 294912, ...
|
A069278
|
18 |
262144, 393216, 589824, ...
|
A069279
|
19 |
524288, 786432, 1179648, ...
|
A069280
|
20 |
1048576, 1572864, 2359296, ...
|
A069281
|