|
| |
|
|
A147940
|
|
Number of permutations of floor(i*8/7), i=0..n-1, with all sums of 2 through 4 adjacent terms respectively unique.
|
|
0
| |
|
|
1, 2, 6, 16, 54, 232, 936, 5070, 25700, 144538, 829398, 4949114, 30028194, 195791072, 1612860652, 13023036794
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
