Definition:Wonderful Demlo Number/Sequence

Definition

The sequence of Wonderful Demlo numbers begins:

$1, 121, 12 \, 321, 1 \, 234 \, 321, 123 \, 454 \, 321, \ldots$

This sequence is A002477 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).

Sources

• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $121$

• Weisstein, Eric W. "Demlo Number." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/DemloNumber.html