Numbers k that divide 9^k + 7^k.

Terms

a(0) =1a(1) =2a(2) =10a(3) =26a(4) =50a(5) =130a(6) =250a(7) =338a(8) =650a(9) =1250a(10) =1690a(11) =3250a(12) =4010a(13) =4394a(14) =5050a(15) =6250a(16) =8450a(17) =16250a(18) =20050a(19) =21970a(20) =25250a(21) =31250a(22) =33826a(23) =42250a(24) =48698a(25) =52130a(26) =57122a(27) =65650a(28) =81250a(29) =100250