Sum of squares of digits of n.

Terms

a(0) =0a(1) =1a(2) =4a(3) =9a(4) =16a(5) =25a(6) =36a(7) =49a(8) =64a(9) =81a(10) =1a(11) =2a(12) =5a(13) =10a(14) =17a(15) =26a(16) =37a(17) =50a(18) =65a(19) =82a(20) =4a(21) =5a(22) =8a(23) =13a(24) =20a(25) =29a(26) =40a(27) =53a(28) =68a(29) =85