login
A029784
Squares such that digits of sqrt(n) are not present in n.
6
4, 9, 16, 49, 64, 81, 289, 324, 484, 576, 841, 1089, 1156, 1444, 1521, 1936, 2209, 2809, 2916, 3249, 3364, 3481, 3844, 4489, 5184, 5929, 6241, 7056, 7744, 8464, 8836, 20736, 24649, 24964, 29929, 34969, 35344, 36864, 37636, 43681, 44944, 50176, 56169, 56644
OFFSET
1,1
LINKS
FORMULA
a(n) = A029783(n)^2. - Michel Marcus, Aug 08 2018
MATHEMATICA
Select[Range[500], {} == Intersection @@ IntegerDigits[{#, #^2}] &]^2 (* Giovanni Resta, Aug 08 2018 *)
CROSSREFS
KEYWORD
nonn,base
EXTENSIONS
More terms from Giovanni Resta, Aug 08 2018
STATUS
approved