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A306887
Number of (undirected) paths in the n-triangular (Johnson) graph.
0
0, 6, 396, 200100, 1368937020
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OFFSET
2,2
LINKS
Table of n, a(n) for n=2..6.
Eric Weisstein's World of Mathematics,
Graph Path
Eric Weisstein's World of Mathematics,
Johnson Graph
Eric Weisstein's World of Mathematics,
Triangular Graph
CROSSREFS
Sequence in context:
A278322
A229599
A290324
*
A289894
A058807
A350017
Adjacent sequences:
A306884
A306885
A306886
*
A306888
A306889
A306890
KEYWORD
nonn
,
more
AUTHOR
Eric W. Weisstein
, Mar 15 2019
STATUS
approved
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Last modified April 23 20:27 EDT 2024. Contains 371916 sequences. (Running on oeis4.)