Even-indexed terms of A247984, a sequence motivated by generalized quadrangles.
A246800
Even-indexed terms of A247984, a sequence motivated by generalized quadrangles.
Terms
- a(0) =6a(1) =10a(2) =84a(3) =186a(4) =1276a(5) =3172a(6) =19816a(7) =52666a(8) =310764a(9) =863820a(10) =4899736a(11) =14073060a(12) =77509464a(13) =228318856a(14) =1228859344a(15) =3693886906a(16) =19513475404a(17) =59644341436a(18) =310223170744a(19) =961665098956
External references
- oeis: A246800