A379353 Connected domination number of the n-triangular grid graph.
1, 1, 2, 4, 6, 8, 10, 13, 17, 20, 23, 28, 32, 37, 41, 47, 52
Offset: 0
Links
- Eric Weisstein's World of Mathematics, Connected Domination Number.
- Eric Weisstein's World of Mathematics, Triangular Grid Graph.
Formula
a(n) >= floor((n^2 + 3*n + 10)/6) for n >= 3.
a(n) ~ n^2/6.