|
Search: id:A147925
|
|
|
| A147925 |
|
Number of permutations of floor(i*4/3), i=0..n-1, with all sums of two and three adjacent terms respectively unique. |
|
+0
1
|
|
| 1, 2, 6, 24, 74, 312, 1620, 7876, 44022, 307314, 2064562, 15229866, 132064084, 1095500280, 10006003984, 104500649736
(list; graph; listen)
|
|
|
|
|
Search completed in 0.002 seconds
|
