OFFSET
0,2
COMMENTS
At least one digit of T(n) must be zero otherwise the unitary digit of n is lost.
LINKS
Paolo P. Lava, Table of n, a(n) for n = 0..1000
FORMULA
n = Sum_{j=0..k} j*10^d(j).
EXAMPLE
For n=10045 the transform gives T(10045) = 4*10^1 + 3*10^0+ 2*10^0 + 1*10^4 + 0*10^5 = 40 + 3 + 2 + 10000 + 0 = 10045.
MAPLE
with(numtheory); ListA226767:=proc(q) local a, b, k, n;
for n from 0 to q do a:=trunc(n/10); b:=0; k:=0;
while a>0 do k:=k+1; b:=b+k*10^(a mod 10); a:=trunc(a/10); od;
if b=n then print(n); fi; od; end: ListA226767(10^6);
CROSSREFS
KEYWORD
nonn,easy,base
AUTHOR
Paolo P. Lava, Jun 17 2013
STATUS
approved