A062401(x)=phi[sigma(x)] function is iterated; initial value=2^n; a(n)=largest term of trajectory.

A096999

A062401(x)=phi[sigma(x)] function is iterated; initial value=2^n; a(n)=largest term of trajectory.

Terms

    a(0) =2a(1) =6a(2) =8a(3) =30a(4) =96a(5) =126a(6) =128a(7) =480a(8) =600a(9) =3840a(10) =2048a(11) =8190a(12) =10584a(13) =27000a(14) =32768a(15) =196560a(16) =311040a(17) =851840a(18) =1161216a(19) =2250600a(20) =2640704a(21) =150992640a(22) =150992640a(23) =283740364800a(24) =283740364800a(25) =283740364800a(26) =283740364800a(27) =7608287232a(28) =7608287232

External references