|
Search: id:A151628
|
|
|
| A151628 |
|
Number of permutations of 2 indistinguishable copies of 1..n with exactly 6 adjacent element pairs in decreasing order. |
|
+0
1
|
|
| 0, 1, 5158, 1822014, 242384856, 19323413187, 1130781824398, 54076536713976
(list; graph; listen)
|
|
|
|
|
Search completed in 0.002 seconds
|
