Number of coprime positive integer S-unit solutions to a + b = c where a <= b < c, and where S = {prime(1), ..., prime(n)}.

A362593

Number of coprime positive integer S-unit solutions to a + b = c where a <= b < c, and where S = {prime(1), ..., prime(n)}.

Terms

    a(0) =0a(1) =1a(2) =4a(3) =17a(4) =63a(5) =190a(6) =545a(7) =1433a(8) =3649a(9) =8828a(10) =20015a(11) =44641a(12) =95358a(13) =199081a(14) =412791a(15) =839638a(16) =1663449

External references