71287

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 5*x + 6.at n=15A023315
• Primes of the form 6*k^2 + 1.at n=27A090687
• Recurrence sequence derived from the decimal places of sqrt(e).at n=11A098327
• Primes of the form 9n^2 - 2.at n=16A201860
• Prime p such that sqrt(p+2) is semiprime (A001358).at n=25A257933
• Primes of the form 11*k^2-11*k+7.at n=36A267290
• a(n) is the least prime p such that the orderly concatenation of the n successive powers of p yields a prime number; a(n)=0 if n is a multiple of 6.at n=48A292163
• Number of nX3 0..1 arrays with every element equal to 0, 1, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=21A303309
• Prime numbersat n=7057