OFFSET
1,2
COMMENTS
For the meaning of Skolem number of a graph, see Definitions 1.4 and 1.5 in Carrigan and Green.
LINKS
Braxton Carrigan and Garrett Green, Skolem Number of Subgraphs on the Triangular Lattice, Communications on Number Theory and Combinatorial Theory 2 (2021), Article 2.
Index entries for linear recurrences with constant coefficients, signature (3,-3,1).
FORMULA
MATHEMATICA
LinearRecurrence[{3, -3, 1}, {1, 2, 5, 7, 11, 16}, 55]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Stefano Spezia, Mar 30 2021
STATUS
approved