A339594 Two-dimensional Kempner (or Kempner-Smarandache) numbers.

0, 4, 9, 12, 25, 9, 49, 16, 27, 25, 121, 13, 169

Offset: 1

Author

N. J. A. Sloane, Jan 02 2021

Keywords

• nonn
• more

Links

• Norbert Hungerbühler, Ernst Specker, A generalization of the Smarandache Function to several variables, INTEGERS 6 (2006) #A23

Crossrefs

Cf. A002034, A339595, A339596.