Sequence of distinct least squares such that the arithmetic mean of the first n squares is also a square.

A236247

Sequence of distinct least squares such that the arithmetic mean of the first n squares is also a square.

Terms

    a(0) =1a(1) =49a(2) =25a(3) =121a(4) =784a(5) =196a(6) =33124a(7) =4900a(8) =4a(9) =4356a(10) =2304324a(11) =213444a(12) =2371600a(13) =379456a(14) =87616a(15) =360000a(16) =3802500a(17) =562500a(18) =100a(19) =532900a(20) =5456896a(21) =767376a(22) =5934096a(23) =992016a(24) =9947716a(25) =1350244a(26) =32467204a(27) =44100a(28) =2414916a(29) =10458756

External references