Numbers a(n) which are the minimum number of moves needed in a variation of the tower of Hanoi with 4 towers and n disks.

A248604

Numbers a(n) which are the minimum number of moves needed in a variation of the tower of Hanoi with 4 towers and n disks.

Terms

    a(0) =1a(1) =3a(2) =5a(3) =9a(4) =13a(5) =21a(6) =37a(7) =69a(8) =133a(9) =261a(10) =517a(11) =1029a(12) =2053a(13) =4101a(14) =8197a(15) =16389a(16) =32773a(17) =65541a(18) =131077a(19) =262149a(20) =524293a(21) =1048581a(22) =2097157a(23) =4194309a(24) =8388613a(25) =16777221a(26) =33554437a(27) =67108869a(28) =134217733a(29) =268435461

External references