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Search: id:A053419
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A053419 Number of graphs with loops (symmetric relations) with n edges. +0
1
1, 2, 5, 14, 38, 107, 318, 972, 3111, 10410, 36371, 132656, 504636, 1998361, 8224448, 35112342 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Cf. A000666.

Sequence in context: A026288 A047086 A006574 this_sequence A079227 A148314 A001011

Adjacent sequences: A053416 A053417 A053418 this_sequence A053420 A053421 A053422

KEYWORD

more,nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)eunet.rs), Jan 10 2000

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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