A103117 Berend Jan van der Zwaag's conjectured complete list of numbers that start different "expanding periodic loops" under the mapping described in A053392 and A060630.

3871, 7777, 9911, 9921, 9922, 9931, 9933, 9941, 9951, 9955, 9961, 9966, 9971, 9977, 9981, 9988, 9999, 66642, 66651, 66661, 66666, 66678, 66681, 66691

Offset: 1

Author

N. J. A. Sloane, Sep 06 2008

Keywords

• base
• nonn
• fini
• full

Comments

See link for the precise definition.

Links

• Lars Blomberg, All 160 members of all expanding cycles
• Erich Friedman, Problem of the Month (Feb 2000)

Crossrefs

Cf. A053392, A060630.

Extensions

9966 inserted by Lars Blomberg, Aug 26 2011