

A094333


a(1) = 1, a(n) = least proper multiple of a(n1) which is a concatenation of successive numbers. Terms with more than one digit must be a concatenation of at least two successive numbers.


3




OFFSET

1,2


LINKS



EXAMPLE

a(3) = 4 is the smallest proper multiple of 2 which is a concatenation of a (single) number.
a(5) = 56 and a(6) = 5152 =56*92 is the concatenation of 51 and 52.


CROSSREFS



KEYWORD

base,nonn


AUTHOR



EXTENSIONS



STATUS

approved



