Terms of A072390 (sums of two powers of 13) divided by 2.

Terms

a(0) =1a(1) =7a(2) =13a(3) =85a(4) =91a(5) =169a(6) =1099a(7) =1105a(8) =1183a(9) =2197a(10) =14281a(11) =14287a(12) =14365a(13) =15379a(14) =28561a(15) =185647a(16) =185653a(17) =185731a(18) =186745a(19) =199927a(20) =371293a(21) =2413405a(22) =2413411a(23) =2413489a(24) =2414503a(25) =2427685a(26) =2599051a(27) =4826809a(28) =31374259a(29) =31374265