Triangular numbers that are the hypotenuse of a primitive Pythagorean triple (PPT) such that another member of the triple is also triangular.
A340462
Triangular numbers that are the hypotenuse of a primitive Pythagorean triple (PPT) such that another member of the triple is also triangular.
Terms
- a(0) =325a(1) =49141a(2) =104653a(3) =354061a(4) =3059101a(5) =24735061a(6) =33697945a(7) =72884701a(8) =406509841a(9) =408565405a(10) =1081752841a(11) =1690914781a(12) =3234130525a(13) =4521006505a(14) =4759123141a(15) =6432672025a(16) =10850633641a(17) =27812493325a(18) =33549177061a(19) =39343911841a(20) =49017527065a(21) =145684193005a(22) =157819451653a(23) =221156059645
External references
- oeis: A340462