The numbers of a square spiral with 1 in the center, lying at integer points of the right branch of the parabola y=n^2.

A357281

The numbers of a square spiral with 1 in the center, lying at integer points of the right branch of the parabola y=n^2.

Terms

    a(0) =1a(1) =9a(2) =79a(3) =355a(4) =1077a(5) =2581a(6) =5299a(7) =9759a(8) =16585a(9) =26497a(10) =40311a(11) =58939a(12) =83389a(13) =114765a(14) =154267a(15) =203191a(16) =262929a(17) =334969a(18) =420895a(19) =522387a(20) =641221a(21) =779269a(22) =938499a(23) =1120975a(24) =1328857a(25) =1564401a(26) =1829959a(27) =2127979a(28) =2461005a(29) =2831677

External references