"BIJ" (reversible, indistinct, labeled) transform of 2,2,2,2...
A032111
"BIJ" (reversible, indistinct, labeled) transform of 2,2,2,2...
Terms
- a(0) =2a(1) =6a(2) =38a(3) =366a(4) =4502a(5) =66606a(6) =1149878a(7) =22687566a(8) =503589782a(9) =12420052206a(10) =336947795318
External references
- oeis: A032111