(import (scheme base) (scheme write)) (define (fib x) (if (< x 2) 1 (+ (fib (- x 2)) (fib (- x 1))))) ;test (define fib-seq (lambda (x) (if (< x 1) 1 (fib-seq (- x 1))) (display (fib x)) (newline) 1)) (fib-seq 26)