Number of -n..n arrays x(0..8) of 9 elements with zero sum and nonzero second and third differences.
A200210
Number of -n..n arrays x(0..8) of 9 elements with zero sum and nonzero second and third differences.
Terms
- a(0) =360a(1) =63326a(2) =1282168a(3) =11315108a(4) =62141592a(5) =253625670a(6) =838749476a(7) =2371034404a(8) =5950389676a(9) =13585723472a(10) =28694253866a(11) =56870615234a(12) =106810248534a(13) =191533300498a(14) =330111908464a(15) =549616167606a(16) =887398698638
External references
- oeis: A200210