Number of (w,x,y) with all terms in {0,...,n} and w < R < 2*w, where R = range{w,x,y} = max(w,x,y)-min(w,x,y).

A213400

Number of (w,x,y) with all terms in {0,...,n} and w < R < 2*w, where R = range{w,x,y} = max(w,x,y)-min(w,x,y).

Terms

    a(0) =0a(1) =0a(2) =0a(3) =2a(4) =6a(5) =19a(6) =29a(7) =52a(8) =81a(9) =116a(10) =159a(11) =223a(12) =282a(13) =366a(14) =462a(15) =568a(16) =688a(17) =841a(18) =987a(19) =1170a(20) =1371a(21) =1586a(22) =1821a(23) =2101a(24) =2372a(25) =2692a(26) =3036a(27) =3398a(28) =3786a(29) =4231

External references