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Search: id:A049368
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A049368 Number of connected triangle-free planar graphs with n nodes. +0
1
1, 1, 1, 3, 6, 18, 55, 230, 1063, 6161, 41004 (list; graph; listen)
OFFSET

1,4
CROSSREFS

Sequence in context: A112572 A089325 A110593 this_sequence A152733 A102962 A076510

Adjacent sequences: A049365 A049366 A049367 this_sequence A049369 A049370 A049371

KEYWORD

nonn,nice,hard

AUTHOR

Brendan McKay (bdm(AT)cs.anu.edu.au)

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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