The terms of A073213 (sums of two powers of 17) divided by 2.

Terms

a(0) =1a(1) =9a(2) =17a(3) =145a(4) =153a(5) =289a(6) =2457a(7) =2465a(8) =2601a(9) =4913a(10) =41761a(11) =41769a(12) =41905a(13) =44217a(14) =83521a(15) =709929a(16) =709937a(17) =710073a(18) =712385a(19) =751689a(20) =1419857a(21) =12068785a(22) =12068793a(23) =12068929a(24) =12071241a(25) =12110545a(26) =12778713a(27) =24137569a(28) =205169337a(29) =205169345