T(n,k)=Number of length n+1 0..k arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero.
A250277
T(n,k)=Number of length n+1 0..k arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero.
Terms
- a(0) =2a(1) =3a(2) =4a(3) =4a(4) =11a(5) =8a(6) =5a(7) =20a(8) =27a(9) =16a(10) =6a(11) =33a(12) =52a(13) =79a(14) =32a(15) =7a(16) =48a(17) =89a(18) =240a(19) =255a(20) =64a(21) =8a(22) =67a(23) =140a(24) =581a(25) =984a(26) =843a(27) =128a(28) =9a(29) =88
External references
- oeis: A250277