53299

Properties

Appears in sequences

• Primes p such that A001414(p-1) = A001414(p+1), where A001414 = sum of primes dividing n (with repetition).at n=8A086711
• Primes whose digit reversal is a triangular number.at n=12A115705
• Diagonal sums of number triangle [k<=n]*C(n,2n-2k)3^(n-k)A000108(n-k).at n=16A160568
• Primes p such that (p reversed)-10 is a square.at n=35A167475
• Smallest number k such that the continued fraction expansion of sqrt(k) contains n distinct numbers.at n=35A187142
• Primes of the form 10n^2 + 9.at n=14A201711
• a(n) is the smallest prime such that it and the previous two primes are all of the form x^2 + n * y^2.at n=34A212603
• Numbers n such that (18^n + 17^n)/35 is prime.at n=8A227171
• a(n) = initial term of an arithmetic progression of nine primes used to form a 3 X 3 magic square with magic sum A269324(n).at n=38A269325
• Values of odd prime numbers, D, for incrementally largest values of minimal x satisfying the equation x^2 - D*y^2 = -2.at n=42A336790
• Values of odd prime numbers, D, for incrementally largest values of minimal positive y satisfying the equation x^2 - D*y^2 = -2.at n=41A336792
• Numbers that are the sum of five fourth powers in four or more ways.at n=14A344354
• Numbers that are the sum of five fourth powers in exactly four ways.at n=14A344355
• Prime numbersat n=5437