OFFSET
1,1
COMMENTS
Subsequence of A067030.
The most significant digit of all terms is 1.
EXAMPLE
1111 is a term since S(1111) = {209, 308, 407, 506, 605, 704, 803, 902, 1010, 1100}.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Klaus Brockhaus, Sep 21 2003
STATUS
approved