Number of -3..3 arrays x(0..n-1) of n elements with zero sum and no two consecutive zero elements.
A199525
Number of -3..3 arrays x(0..n-1) of n elements with zero sum and no two consecutive zero elements.
Terms
- a(0) =1a(1) =6a(2) =36a(3) =212a(4) =1324a(5) =8342a(6) =53302a(7) =343710a(8) =2232322a(9) =14582218a(10) =95702528a(11) =630544704a(12) =4168091856a(13) =27630031358a(14) =183604587444
External references
- oeis: A199525