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A214610 Duplicate of A000104 0
1, 1, 2, 5, 12, 25, 107, 363, 1248, 4460 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..10.

Lucia Moura and Ivan Stojmenovic, Backtracking and Isomorph-Free Generation of Polyhexes, Table 2.2 on p. 55 of Handbook of Applied Algorithms (2008).

CROSSREFS

Sequence in context: A116715 A117177 A287141 * A221720 A258099 A132977

Adjacent sequences:  A214607 A214608 A214609 * A214611 A214612 A214613

KEYWORD

dead

AUTHOR

Washington Bomfim, Aug 06 2012

STATUS

approved

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Last modified October 15 13:06 EDT 2019. Contains 328030 sequences. (Running on oeis4.)