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Template:Sequence of the Day for August 3
From OeisWiki
Intended for: August 3, 2011
Timetable
- First draft entered by Alonso del Arte on May 3, 2011 ✓
- Draft reviewed by Alonso del Arte on June 3, 2011 (same person who entered first draft due to deadline running out) ✓
- Draft to be approved by July 3, 2011
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A001248: Squares of prime numbers.
- { 4, 9, 25, 49, 121, 169, 289, ... }
n |
Note that since all primes, except 2 and 3 which are the prime factors of 6, are congruent to ±1 (mod 6), it means that
( pn +1 ) 2 − ( pn ) 2, n ≥ 3, |
( pn ) 2 − 1, n ≥ 3, |