T(n,k)=Number of arrays of n+2 integers in -k..k with sum zero and adjacent elements differing in absolute value.
A202962
T(n,k)=Number of arrays of n+2 integers in -k..k with sum zero and adjacent elements differing in absolute value.
Terms
- a(0) =2a(1) =6a(2) =4a(3) =20a(4) =28a(5) =2a(6) =36a(7) =108a(8) =82a(9) =0a(10) =62a(11) =268a(12) =414a(13) =200a(14) =6a(15) =90a(16) =544a(17) =1562a(18) =1936a(19) =524a(20) =12a(21) =128a(22) =972a(23) =4048a(24) =9884a(25) =9872a(26) =1724a(27) =6a(28) =168a(29) =1576
External references
- oeis: A202962