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The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-17. ^ a b "Sloane's A003226 ", The On-Line Encyclopedia of Integer Sequences
The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. ^ "Sloane's A094133 : Leyland primes". The On-Line Encyclopedia of Integer Sequences. OEIS
1729 (sayı)
A051015 ", The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. ^ "Sloane's A005898 ", The On-Line Encyclopedia of Integer Sequences. OEIS Foundation
National Centre for Excellence in the Teaching of Mathematics NLab On-Line Encyclopedia of Integer Sequences PlanetMath Plus Magazine PrimePages PRISM (web
28 (sayı)
kodudur. ^ "Sloane's A000396 : Perfect numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. 25 Mart 2017 tarihinde kaynağından arşivlendi