%I #8 Jul 27 2021 05:24:27
%S 1,9,17,145,153,289,2457,2465,2601,4913,41761,41769,41905,44217,83521,
%T 709929,709937,710073,712385,751689,1419857,12068785,12068793,
%U 12068929,12071241,12110545,12778713,24137569,205169337,205169345,205169481
%N The terms of A073213 (sums of two powers of 17) divided by 2.
%F (17^n + 17^m) / 2, n = 0, 1, 2, 3 ..., m = 0, 1, 2, 3, ... n.
%e a(4) = 145 = (17^2+17^0) / 2.
%Y Cf. A073213.
%K nonn,easy,tabl
%O 0,2
%A _Jeremy Gardiner_, Jul 21 2002
%E Offset corrected by _Alois P. Heinz_, Jul 27 2021