Sum of the legs of the unique primitive Pythagorean triple (a,b,c) such that (a-b+c)/2 = A000045(n) and its long leg and hypotenuse are consecutive natural numbers.

A382845

Sum of the legs of the unique primitive Pythagorean triple (a,b,c) such that (a-b+c)/2 = A000045(n) and its long leg and hypotenuse are consecutive natural numbers.

Terms

    a(0) =-1a(1) =1a(2) =1a(3) =7a(4) =17a(5) =49a(6) =127a(7) =337a(8) =881a(9) =2311a(10) =6049a(11) =15841a(12) =41471a(13) =108577a(14) =284257a(15) =744199a(16) =1948337a(17) =5100817a(18) =13354111a(19) =34961521a(20) =91530449a(21) =239629831a(22) =627359041a(23) =1642447297a(24) =4299982847a(25) =11257501249a(26) =29472520897a(27) =77160061447a(28) =202007663441a(29) =528862928881

External references