|
Search: id:A151657
|
|
|
| A151657 |
|
Number of permutations of 7 indistinguishable copies of 1..n with exactly 3 adjacent element pairs in decreasing order. |
|
+0
1
|
|
| 0, 1225, 818300, 160310458, 22727054364, 2892619063243
(list; graph; listen)
|
|
|
Search completed in 0.002 seconds
|
