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A365497
Number of connected induced (non-null) subgraphs of the n-Pell graph.
0
1, 3, 21, 1473, 123121657
OFFSET
0,2
LINKS
Eric Weisstein's World of Mathematics, Pell Graph
CROSSREFS
Sequence in context: A367999 A290766 A290872 * A012110 A265637 A054739
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Sep 06 2023
STATUS
approved