Records for minima of the positive distance d between the seventh power of a positive integer x and the square of an integer y such that d = x^7 - y^2 (x <> k^2 and y <> k^7).

A179784

Records for minima of the positive distance d between the seventh power of a positive integer x and the square of an integer y such that d = x^7 - y^2 (x <> k^2 and y <> k^7).

Terms

    a(0) =7a(1) =71a(2) =95a(3) =448a(4) =1756a(5) =2215a(6) =3983a(7) =6271a(8) =15231a(9) =26775a(10) =26870a(11) =57475a(12) =102703a(13) =221916a(14) =257963a(15) =9053750a(16) =9297464a(17) =9321703a(18) =27188154a(19) =48787589a(20) =62396287a(21) =83146412a(22) =152244535a(23) =44475611670a(24) =74378479183a(25) =179884971502a(26) =929051699593

External references