Numbers k that divide 4^k + 3^k + 1.

Terms

a(0) =1a(1) =2a(2) =26a(3) =338a(4) =2054a(5) =4394a(6) =13282a(7) =26702a(8) =46306a(9) =57122a(10) =59566a(11) =162266a(12) =221446a(13) =347126a(14) =404293a(15) =742586a(16) =760318a(17) =1301638a(18) =2031406a(19) =2109458a(20) =2857114a(21) =4512638a(22) =4752982a(23) =8340826a(24) =8634886a(25) =9653618a(26) =10066654a(27) =12819014a(28) =19012162a(29) =21263026