Number of length n sequences p(i=0..n-1) with 0<=p(i)<=i and having exactly 3 maxima.
A181227
Number of length n sequences p(i=0..n-1) with 0<=p(i)<=i and having exactly 3 maxima.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =26a(6) =702a(7) =11734a(8) =156976a(9) =1847636a(10) =20046784a(11) =205891684a(12) =2034977036a(13) =19567350334a(14) =184421027812
External references
- oeis: A181227