|
Search: id:A068060
|
|
|
| A068060 |
|
Number of subsets of {1, 2, ..., n} that do not contain a subset of the form {x, 2x, 3x}. |
|
+0
3
|
|
| 1, 2, 4, 7, 14, 28, 50, 100, 200, 360, 720, 1440, 2560, 5120, 10240, 17920, 35840, 71680, 130816, 261632, 523264, 915712, 1831424, 3662848, 6516608, 13033216, 26066432, 46688768, 93377536, 186755072, 333491200, 666982400, 1333964800
(list; graph; listen)
|
|
|
Search completed in 0.001 seconds
|
