1,3
55 <= a(6) <= 66 from a computation by Rob Pratt Mar 03, 2016.
Table of n, a(n) for n=1..5.
Eric Weisstein's World of Mathematics, Domination Number
Eric Weisstein's World of Mathematics, Transposition Graph
Sequence in context: A064773 A359569 A147870 * A199931 A163361 A278873
Adjacent sequences: A347787 A347788 A347789 * A347791 A347792 A347793
nonn,more,hard
Eric W. Weisstein, Sep 13 2021
approved
