Smallest initial value for shortcut form of the Collatz function (3x+1)/2 sequence that begins with exactly n-1 increases and decreases once before the last increment.

A383046

Smallest initial value for shortcut form of the Collatz function (3x+1)/2 sequence that begins with exactly n-1 increases and decreases once before the last increment.

Terms

    a(0) =11a(1) =7a(2) =175a(3) =287a(4) =2239a(5) =4223a(6) =19199a(7) =12799a(8) =52223a(9) =559103a(10) =372735a(11) =5840895a(12) =9486335a(13) =6324223a(14) =48955391a(15) =32636927a(16) =1095499775a(17) =730333183a(18) =11940134911a(19) =19413336063a(20) =35848716287a(21) =298777051135a(22) =932192452607a(23) =621461635071

External references