Variants of variations (A007526)

Hugo Pfoertner all at
Thu Feb 22 00:08:45 CET 2007


as a follow-up of two discussions in the German newsgroup

Peter Luschny proposed an interesting generalization of

Peter has compiled the material on a temporary webpage
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.


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