"BIJ" (reversible, indistinct, labeled) transform of 2,1,1,1...
A032112
"BIJ" (reversible, indistinct, labeled) transform of 2,1,1,1...
Terms
- a(0) =2a(1) =5a(2) =31a(3) =276a(4) =3111a(5) =42143a(6) =666128a(7) =12033346a(8) =244550149a(9) =5522134317a(10) =137163540306
External references
- oeis: A032112