Number of length n+2 0..7 arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero.
A250319
Number of length n+2 0..7 arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero.
Terms
- a(0) =32a(1) =480a(2) =1152a(3) =14452a(4) =119004a(5) =1357424a(6) =14866258a(7) =166783380a(8) =1809575752
External references
- oeis: A250319