Number of (w,x,y,z) with all terms in {0,...,n} and at least one of these conditions holds: w<R, x<R, y<R, z>R, where R=max{w,x,y,z}-min{w,x,y,z}.

A212752

Number of (w,x,y,z) with all terms in {0,...,n} and at least one of these conditions holds: w<R, x<R, y<R, z>R, where R=max{w,x,y,z}-min{w,x,y,z}.

Terms

    a(0) =0a(1) =14a(2) =71a(3) =238a(4) =580a(5) =1224a(6) =2265a(7) =3896a(8) =6236a(9) =9550a(10) =13975a(11) =19854a(12) =27336a(13) =36848a(14) =48545a(15) =62944a(16) =80200a(17) =100926a(18) =125271a(19) =153950a(20) =187100a(21) =225544a(22) =269401a(23) =319608a(24) =376260a(25) =440414a(26) =512135a(27) =592606a(28) =681856a(29) =781200

External references