A181226 Number of length n sequences p(i=0..n-1) with 0<=p(i)<=i and having exactly 2 maxima.

0, 0, 0, 3, 41, 383, 3073, 22835, 162517, 1127399, 7700835, 52118506, 350902046, 2356532130, 15813455692, 106160717591, 713555194577, 4804401287757, 32414156949765, 219174260505645, 1485378918978855, 10089794073161037

Offset: 1

Author

R. H. Hardin Oct 10 2010

Keywords

• nonn

Comments

Column 2 of A181229

Links

• R. H. Hardin, Table of n, a(n) for n=1..200