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A033943 Sum of coefficients of a polynomial associated to a family of digraphs. +0
1
1, 1, 3, 13, 33, 81, 189 (list; graph; listen)
OFFSET

0,3
REFERENCES

Paper in preparation (1998).

CROSSREFS

Sequence in context: A147137 A146230 A166805 this_sequence A026084 A016061 A154154

Adjacent sequences: A033940 A033941 A033942 this_sequence A033944 A033945 A033946

KEYWORD

nonn

AUTHOR

Ottavio D'Antona (dantona(AT)dsi.unimi.it)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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