Quasi-Carmichael numbers to base 4: squarefree composites n such that (n,2*3) = 1 and prime p|n ==> p-4|n-4.

A029559

Quasi-Carmichael numbers to base 4: squarefree composites n such that (n,2*3) = 1 and prime p|n ==> p-4|n-4.

Terms

    a(0) =1705a(1) =7015a(2) =31369a(3) =53599a(4) =77809a(5) =215635a(6) =244885a(7) =248239a(8) =346801a(9) =568879a(10) =662935a(11) =898105a(12) =2151769a(13) =2240515a(14) =2782579a(15) =9480829a(16) =10665265a(17) =11219485a(18) =13644085a(19) =13929205a(20) =16549579a(21) =17782879a(22) =21592289a(23) =29354329a(24) =30075565a(25) =35448439a(26) =39792379

External references