OFFSET
1,2
COMMENTS
For k=3^t, t>=1 you can always find numbers m.
EXAMPLE
12 is a term since 444444444444 = 12*37037037037.
MATHEMATICA
ok[n_] := AnyTrue[(10^n - 1)/9 Range@9, Mod[#, n] == 0 &]; Select[ Range[486], ok] (* Giovanni Resta, May 24 2020 *)
PROG
(Python)
t = "1"
list = [1]
for i in range(1, 1000):
t = "1" + t
m = int(t)
weiter = 0
for k in range(1, 10):
if k * m % (i + 1) == 0:
weiter = 1
if weiter == 1:
list.append(i + 1)
print(list)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Reiner Moewald, May 16 2020
STATUS
approved