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A104805
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"Ceiling of hypotenuses": a(n)=ceiling[sqrt[a(n-1)^2+a(n-2)^2]], a(1)=1, a(2)=3.
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6
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1, 3, 4, 5, 7, 9, 12, 15, 20, 25, 33, 42, 54, 69, 88, 112, 143, 182, 232, 295, 376, 478, 609, 775, 986, 1255, 1597, 2032, 2585, 3289, 4184, 5322, 6770, 8612, 10955, 13935, 17726, 22548, 28682, 36484, 46409, 59033, 75092, 95519, 121502, 154553, 196595, 250073
(list; graph; refs; listen; history; internal format)
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