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Duplicate of A090091.
1

%I #9 Apr 11 2023 08:41:33

%S 1,2,5,15,67,504,9310

%N Duplicate of A090091.

%C Previous name was: Marcus Du Sautoy's sequences of symmetries from Higman's "Polynomial on residue classes".

%D Marcus Du Sautoy, Symmetry: A Journey into the Patterns of Nature,Harper (March 11, 2008),page 96

%K dead

%O 1,2