51361

Properties

Appears in sequences

• Duodecimal primes: p = (x^12 + y^12 )/(x^4 + y^4 ).at n=3A006687
• a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (F(2), F(3), ...), t = (odd natural numbers).at n=27A024592
• a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n-k+1), where k = [ n/2 ], s = (F(2), F(3), F(4), ...), t = (odd natural numbers).at n=26A025106
• Primes with 37 as smallest positive primitive root.at n=1A061739
• List of primitive prime divisors of the numbers 4^n-3^n (A005061) in their order of occurrence.at n=33A129737
• Numbers n such that n^4 is a sum of 4th powers of four nonzero integers whose sum is n.at n=9A138760
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, 1), (0, -1), (1, 1)}.at n=14A151380
• Primes of the form 8*n^2 + 2*n + 1.at n=34A188382
• Primes of form n^2 + 20736.at n=15A256840
• The least prime p of prime triple p,q,r such that q - p = 2n and r - q = 2n + 2.at n=10A282707
• Prime numbers in A317298.at n=35A306362
• Indices k such that A002533(k) is prime.at n=20A372491
• Primes such that x^16 = 2 has a solution in Z/pZ, but x^32 = 2 does not.at n=21A373468
• Number of words of length n over an infinite alphabet such that the letters cover an initial interval and the letter 1 occurs more frequently than any other letter.at n=8A386375
• Prime numbersat n=5255