"BIK" (reversible, indistinct, unlabeled) transform of 3,3,3,3...
A032125
"BIK" (reversible, indistinct, unlabeled) transform of 3,3,3,3...
Terms
- a(0) =3a(1) =9a(2) =30a(3) =108a(4) =408a(5) =1584a(6) =6240a(7) =24768a(8) =98688a(9) =393984a(10) =1574400a(11) =6294528a(12) =25171968a(13) =100675584a(14) =402677760a(15) =1610661888a(16) =6442549248a(17) =25770000384a(18) =103079608320a(19) =412317646848
External references
- oeis: A032125