Number of length n+1 0..2 arrays with the sum of the maximum of each adjacent pair multiplied by some arrangement of +-1 equal to zero.
A250640
Number of length n+1 0..2 arrays with the sum of the maximum of each adjacent pair multiplied by some arrangement of +-1 equal to zero.
Terms
- a(0) =1a(1) =17a(2) =23a(3) =125a(4) =280a(5) =1061a(6) =2870a(7) =9495a(8) =27507a(9) =86149a(10) =255704a(11) =782393a(12) =2341381a(13) =7090347a(14) =21271463a(15) =64109181a(16) =192439733a(17) =578665211a(18) =1736971814a(19) =5217197093a(20) =15658051930a(21) =47004010481a(22) =141050402559a(23) =423295193635
External references
- oeis: A250640