Number of proper 5-partitions of the fan graph on n vertices such that every triangle uses exactly 2 colors.
A390131
Number of proper 5-partitions of the fan graph on n vertices such that every triangle uses exactly 2 colors.
Terms
- a(0) =1a(1) =6a(2) =29a(3) =114a(4) =410a(5) =1366a(6) =4341a(7) =13264a(8) =39395a(9) =114290a(10) =325544a(11) =913196a(12) =2529865a(13) =6935186a(14) =18844785a(15) =50823122a(16) =136192542a(17) =362956810a(18) =962713805a(19) =2543042572a(20) =6693576231a(21) =17563391058a(22) =45959345244a(23) =119977506192a(24) =312544580737a(25) =812678583774
External references
- oeis: A390131