(import (scheme base) (scheme write)) (define (fib-internal acc x) (if (< x 2) (+ acc 1) (fib-internal (fib-internal acc (- x 2)) (- x 1)) ) ) (define (fib x) (fib-internal 0 x)) (define (fib-seq-internal i x) (display (fib i)) (newline) (if (< i x) (fib-seq-internal (+ i 1) x) 1 ) ) (define fib-seq (lambda (x) (fib-seq-internal 0 x))) (fib-seq 26)