{"name":"gist: 913876","desc":"","actor":"j2labs","url":"https://gist.github.com/913876","snippet":"(define (factorial& n k) (f-aux& n 1 k))\n(define (f-aux& n a k)\n (=& n 0 (lambda (b)","actor_gravatar":"532c88ceb3cccb03ad63bf9184b868ad","action":"create"}