Numbers k that divide 9^k + 8^k.

Terms

a(0) =1a(1) =17a(2) =289a(3) =2329a(4) =4913a(5) =5219a(6) =39593a(7) =83521a(8) =88723a(9) =319073a(10) =673081a(11) =715003a(12) =1419857a(13) =1508291a(14) =1602233a(15) =5424241a(16) =11442377a(17) =12155051a(18) =24137569a(19) =25640947a(20) =27237961a(21) =43713001a(22) =92212097a(23) =97955411a(24) =194520409a(25) =206635867a(26) =219505921