Square pyramorphic numbers: integers m such that the sum of the first m squares (A000330) ends in m.

A093534

Square pyramorphic numbers: integers m such that the sum of the first m squares (A000330) ends in m.

Terms

    a(0) =0a(1) =1a(2) =5a(3) =25a(4) =40a(5) =65a(6) =80a(7) =160a(8) =225a(9) =385a(10) =400a(11) =560a(12) =625a(13) =785a(14) =800a(15) =960a(16) =1185a(17) =2560a(18) =2625a(19) =4000a(20) =5185a(21) =6560a(22) =6625a(23) =8000a(24) =9185a(25) =9376a(26) =10625a(27) =26560a(28) =37185a(29) =40000

External references