OFFSET
1,1
COMMENTS
a(249191) = 135378621865 is the first term which is not a multiple of 3. - Giovanni Resta, Jul 09 2018
EXAMPLE
273 * 37 = 10101
363 * 37 = 13431
MAPLE
R:=proc(w) local a, k, x; x:=0; a:=convert(w, base, 10); for k from 1 to nops(a) do x:=10*x+a[k]; od; x; end: P:=proc(n) local k; if 37*n=R(37*n) then n; fi; end: seq(P(i), i=1..1728); # Paolo P. Lava, Jul 09 2018
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Paolo P. Lava and Giorgio Balzarotti, Apr 20 2006
EXTENSIONS
Corrected by T. D. Noe, Nov 01 2006
STATUS
approved