Anonymous user
Perfect numbers: Difference between revisions
improved racket example
m (→{{header|REXX}}: added/changed comments and whitespace, changed comments in various header and output sections.) |
(improved racket example) |
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Line 1,647:
<lang racket>#lang racket
(require math)
(define (perfect? n)
(=
; filtering to only even numbers for better performance
(filter perfect? (filter even? (range
;-> '(0 6 28 496 8128)</lang>
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