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URL: https://oeis.org/A287154

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A287154
Number of simple disconnected integral graphs on n vertices.
2
0, 1, 2, 4, 7, 14, 26, 49, 97, 186, 379
OFFSET
1,3
LINKS
Eric Weisstein's World of Mathematics, Disconnected Graph
Eric Weisstein's World of Mathematics, Integral Graph
FORMULA
a(n) = A077027(n) - A064731(n).
CROSSREFS
Cf. A077027 (number of simple not necessarily connected integral graphs).
Cf. A064731 (number of simple connected integral graphs).
Sequence in context: A253511 A076739 A017996 * A024502 A280254 A280917
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, May 20 2017
STATUS
approved