Length of the long leg in the unique primitive Pythagorean triple (x,y,z) such that (x-y+z)/2 = A000045(n) and its long leg and hypotenuse are consecutive natural numbers.
A382843
Length of the long leg in the unique primitive Pythagorean triple (x,y,z) such that (x-y+z)/2 = A000045(n) and its long leg and hypotenuse are consecutive natural numbers.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =4a(4) =12a(5) =40a(6) =112a(7) =312a(8) =840a(9) =2244a(10) =5940a(11) =15664a(12) =41184a(13) =108112a(14) =283504a(15) =742980a(16) =1946364a(17) =5097624a(18) =13348944a(19) =34953160a(20) =91516920a(21) =239607940a(22) =627323620a(23) =1642389984a(24) =4299890112a(25) =11257351200a(26) =29472278112a(27) =77159668612a(28) =202007027820a(29) =528861900424
External references
- oeis: A382843