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A340645
Total number of optimal fundamentally different radio labelings summed over all simple (connected) graphs on n nodes.
0
1, 1, 2, 7, 41, 399, 7622
OFFSET
1,3
LINKS
Eric Weisstein's World of Mathematics, Connected Graph
Eric Weisstein's World of Mathematics, Radio Labeling
CROSSREFS
Cf. A340538.
Sequence in context: A331920 A008934 A084871 * A122942 A159315 A191601
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Jan 14 2021
STATUS
approved