The area of a primitive Heronian triangle K, such that K = k^2*n for the least k, where n is the sequence index.
A247381
The area of a primitive Heronian triangle K, such that K = k^2*n for the least k, where n is the sequence index.
Terms
- a(0) =36a(1) =72a(2) =12a(3) =36a(4) =180a(5) =6a(6) =252a(7) =72a(8) =36a(9) =90a(10) =396a(11) =12a(12) =468a(13) =126a(14) =60a(15) =7056a(16) =2448a(17) =72a(18) =684a(19) =180a(20) =84a(21) =198a(22) =20700a(23) =24a(24) =900a(25) =234a(26) =5292a(27) =252a(28) =4176a(29) =30
External references
- oeis: A247381