studied mathematics and computer science at University of Konstanz, Germany
- A227036 Perimeter of the dragon curve (Expansion of ).
- A227093 Decimal expansion of 1/9899: 0.00 01 01 02 03 05 08 13 ... (cf. Fibonacci).
- A227290 min(k): A016037(k)=n (calculated first number with 323 letters in English name) + edits A133418, A016037.
- A227549 Numbers that contain their hexadecimal representation as substring.