|
| |
|
|
A147943
|
|
Number of permutations of floor(i*4/3), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique.
|
|
0
| |
|
|
1, 2, 6, 24, 74, 312, 1620, 7876, 41114, 262142, 1532832, 9946476, 74352024, 512825612, 3896130434, 33601759994
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
