A 'formula for primes'

HTTP/1.1 500 Internal Server Error Date: Thu, 19 Feb 2026 02:36:31 GMT Server: CL-HTTP/70.217 (LispWorks; 2.1.7) Connection: close Content-Type: text/html; charset=ISO-8859-1 Transfer-Encoding: chunked Internal Server Error

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No applicable methods for #<STANDARD-GENERIC-FUNCTION NUMBERS::APPLY-FN 22CAF78A> with args (0 0 NIL 0 :QUADRATIC (41 1 1))

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