Number of ways of arranging the numbers 1 ... 5n into a 5 X n array so there is exactly one local maximum.
A087926
Number of ways of arranging the numbers 1 ... 5n into a 5 X n array so there is exactly one local maximum.
Terms
- a(0) =16a(1) =76544a(2) =2941306368
External references
- oeis: A087926