a(n) is the smallest m for which sqrt(sum of digits of m^2) = n.
A061912
a(n) is the smallest m for which sqrt(sum of digits of m^2) = n.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =3a(4) =13a(5) =67a(6) =264a(7) =1667a(8) =16667a(9) =94863a(10) =1643167a(11) =29983327a(12) =706399164a(13) =31144643167
External references
- oeis: A061912