Number of arrays of 7 integers in -n..n with sum zero and the sum of every adjacent pair being odd.

A202078

Number of arrays of 7 integers in -n..n with sum zero and the sum of every adjacent pair being odd.

Terms

    a(0) =6a(1) =96a(2) =1014a(3) =3752a(4) =15010a(5) =35604a(6) =95342a(7) =181834a(8) =390544a(9) =654086a(10) =1221708a(11) =1876930a(12) =3183404a(13) =4598874a(14) =7268148a(15) =10026924a(16) =15014418a(17) =19984692a(18) =28678218a(19) =37094052a(20) =51428190a(21) =64980344a(22) =87564274a(23) =108501126a(24) =142759916a(25) =173998474a(26) =224327824

External references