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A087420 a(n) is the sum of the squares of the sizes of the conjugacy classes in the dihedral group D_2n. +0
1
2, 4, 14, 14, 34, 28, 62, 46, 98, 68, 142, 94 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A131758 A095909 A151872 this_sequence A141654 A054600 A077570

Adjacent sequences: A087417 A087418 A087419 this_sequence A087421 A087422 A087423

KEYWORD

nonn

AUTHOR

Yuval Dekel (dekelyuval(AT)hotmail.com), Oct 22 2003

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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