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A005368 Occurrences of principal character.
(Formerly M2589)
+0
1
1, 0, 1, 3, 6, 15, 42 (list; graph; listen)
OFFSET

0,4

REFERENCES

Russell, Merris; William Watkins, Tensors and graphs, SIAM J. Algebraic Discrete Methods 4 (1983), no. 4, 534-547.

CROSSREFS

Sequence in context: A086326 A098701 A001433 this_sequence A067771 A056382 A028401

Adjacent sequences: A005365 A005366 A005367 this_sequence A005369 A005370 A005371

KEYWORD

nonn

AUTHOR

njas

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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