"Floor of hypotenuse": a(n)=floor[sqrt[a(n-1)^2+a(n-2)^2]], a(1)=10, a(2)=30. Cf. A104803.
10, 30, 31, 43, 53, 68, 86, 109, 138, 175, 222, 282, 358, 455, 578, 735, 935, 1189
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Mon Nov 15 13:12:42 CET 2010 [seqfan] Re: giving reason for disapproval