|
| |
|
|
A147931
|
|
Number of permutations of floor(i*8/7), i=0..n-1, with all sums of two and three adjacent terms respectively unique.
|
|
0
| |
|
|
1, 2, 6, 16, 54, 232, 936, 5070, 28658, 170392, 1087848, 7171828, 49584912, 366964014, 3450377582, 32284315804
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
