Jacobsthal numbers: Difference between revisions
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m (→{{header|Haskell}}: Preferred (:) to (<>) in unfoldr variant) |
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jacobsthalish (x, y) = unfoldr go [x, y] |
jacobsthalish (x, y) = unfoldr go [x, y] |
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where |
where |
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go |
go [a, b] = Just (a, [b, 2 * a + b]) |
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--------------------------- TEST ------------------------- |
--------------------------- TEST ------------------------- |
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