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The terms of A073213 (sums of two powers of 17) divided by 2.
1

%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