Number of -n..n arrays x(0..6) of 7 elements with zero sum, adjacent elements differing by more than one, and elements alternately increasing and decreasing.
A200196
Number of -n..n arrays x(0..6) of 7 elements with zero sum, adjacent elements differing by more than one, and elements alternately increasing and decreasing.
Terms
- a(0) =0a(1) =104a(2) =1534a(3) =9856a(4) =40632a(5) =127800a(6) =334278a(7) =765598a(8) =1585416a(9) =3034396a(10) =5450616a(11) =9293800a(12) =15170448a(13) =23863548a(14) =36362438a(15) =53897896a(16) =77976766a(17) =110422568a(18) =153414642a(19) =209534448a(20) =281809258a(21) =373763982a(22) =489469484a(23) =633600106a(24) =811486280
External references
- oeis: A200196