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Paste # 51994 | ||
2019-04-26 04:29:24 | ||
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#lang lazy ; f(n) = 2*f(n-1) + 3*f(n-3) (define f-list (list* 1 2 3 (map (lambda (x y) (+ (* 2 x) (* 3 y))) (cddr f-list) f-list ))) (list-ref f-list 0) ; (list-ref f-list 1) ; (list-ref f-list 2) ; (list-ref f-list 3) ; (list-ref f-list 4) ; (list-ref f-list 5) ; (list-ref f-list 6) ; (list-ref f-list 7) ; (list-ref f-list 8) ; (list-ref f-list 9) ; (list-ref f-list 10) ; (list-ref f-list 11) ; (list-ref f-list 12) ; (list-ref f-list 13) ; (list-ref f-list 14)