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Search: id:A129837
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| A129837 |
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Sequence allows us to find the solutions of the equation: X^2+(X+119)^2=Y^2. |
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+0
1
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| 0, 24, 49, 57, 85, 136, 180, 196, 261, 357, 481, 616, 660, 816, 1105, 1357, 1449, 1824, 2380, 3100, 3885, 4141, 5049, 6732, 8200, 8736, 10921, 14161, 18357, 22932, 24424, 29716, 39525, 48081, 51205, 63940
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OFFSET
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0,2
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COMMENT
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Consider all Pythagorean triples (X,X+119,Y) ordered by increasing Y; sequence gives X values.
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FORMULA
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a(n)=6*a(n-9)-a(n-18)+238 with a(0)=0,a(1)=24,a(2)=49,a(3)=57,a(4)=85,a(5)=136, a(6)=180,a(7)=196,a(8)=261,a(9)=357,a(10)=481,a(11)=616,a(12)=660,a(13)=816, a(14)=1105,a(15)=1357,a(16)=1449,a(17)=1824.
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CROSSREFS
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Sequence in context: A073763 A030021 A105844 this_sequence A042140 A042138 A042136
Adjacent sequences: A129834 A129835 A129836 this_sequence A129838 A129839 A129840
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KEYWORD
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nonn,uned
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AUTHOR
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Mohamed Bouhamida (bhmd95(AT)yahoo.fr), May 21 2007
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