|
| |
|
|
A147923
|
|
Number of permutations of floor(i*9/4), i=0..n-1, with all sums of two adjacent terms unique.
|
|
0
| |
|
|
1, 2, 6, 16, 96, 376, 2016, 12168, 109882, 783536, 6232926, 59671520, 718155492, 7173976288, 76938806480, 981871005232
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
