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A073144
Smallest m such that the 'Reverse and Subtract' trajectory (cf. A072137) of m leads to A073142(n).
3
0, 1012, 10001145, 100000114412, 100010505595
OFFSET
1,2
COMMENTS
Presumably a(6) = 1000000011011012.
EXAMPLE
1012 -> 1089 -> 8712 -> 6534 -> 2178 = A073142(1) and no m < 1012 leads to 2178.
KEYWORD
base,more,nonn
AUTHOR
Klaus Brockhaus, Jul 17 2002
EXTENSIONS
Offset changed by N. J. A. Sloane, Dec 01 2007
STATUS
approved