OFFSET
1,3
COMMENTS
This is the original version of A054711 rev. #1 as defined by Henry Bottomley, Apr 20 2000.
A054711 is now different from the sequence here.
LINKS
Alois P. Heinz, Table of n, a(n) for n = 1..10000
MATHEMATICA
a[n_] := Module[{e = IntegerExponent[n, 11]}, e + MultiplicativeOrder[11, n/11^e]]; Array[a, 100] (* Amiram Eldar, Aug 25 2024 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Georg Fischer, Feb 13 2022
STATUS
approved