A018074 Powers of fourth root of 10 rounded up.
1, 2, 4, 6, 10, 18, 32, 57, 100, 178, 317, 563, 1000, 1779, 3163, 5624, 10000, 17783, 31623, 56235, 100000, 177828, 316228, 562342, 1000000, 1778280, 3162278, 5623414, 10000000, 17782795, 31622777, 56234133, 100000000, 177827942, 316227767, 562341326, 1000000000
Offset: 0
Keywords
Programs
-
Mathematica
Ceiling[(Power[10, (4 )^-1])^Range[0,50]] (* Harvey P. Dale, Mar 18 2011 *)
-
PARI
a(n) = sqrtnint(10^n-1, 4) + 1; \\ Michel Marcus, Jun 26 2024
Extensions
More terms from Michel Marcus, Aug 21 2019