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A339594
Two-dimensional Kempner (or Kempner-Smarandache) numbers.
3
0, 4, 9, 12, 25, 9, 49, 16, 27, 25, 121, 13, 169
OFFSET
1,2
LINKS
Norbert Hungerbühler, Ernst Specker, A generalization of the Smarandache Function to several variables, INTEGERS 6 (2006) #A23
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jan 02 2021
STATUS
approved