Variants of variations (A007526)

[Hugo Pfoertner]

SeqFans,

as a follow-up of two discussions in the German newsgroup
de.sci.mathematik

http://groups.google.com/group/de.sci.mathematik/msg/a99fffbbce0e2da2
http://groups.google.com/group/de.sci.mathematik/msg/248c43f110bd7971

Peter Luschny proposed an interesting generalization of
http://www.research.att.com/~njas/sequences/A007526

Peter has compiled the material on a temporary webpage
http://www.luschny.de/math/temp/variationen.html
and is asking for comments and suggestions. He is especially interested
in a combinatorial interpretation of the planned future A128195
1, 9, 65, 511, 4743, 52525, 683657, 10256775, 174369527
described in item II on the cited page.

Hugo