62701

Properties

Appears in sequences

• Number of Twopins positions.at n=27A005689
• Expansion of e.g.f.: exp(x/(1-2*x)).at n=6A025168
• Numbers k such that prime(2*k) - prime(k) == 0 (mod k).at n=19A066894
• Primes which are 1 mod m, where m is the index of the prime in sequence A002313 (Real primes with corresponding complex primes). The index m can be found in A084166 Primes which are -1 mod m can be found in sequence A084163.at n=14A084165
• Expansion of 1/sqrt((1-x)^2 - 12*x^3).at n=12A098481
• p(1,n), where the polynomial p(n,x) is defined in Comments; sum of the numbers in row n of the triangular array at A249130.at n=10A249131
• Centered 22-gonal primes.at n=30A276262
• p-INVERT of (1,0,1,0,0,0,0,...), where p(S) = (1 - S)(1 + S^2).at n=31A291741
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f. exp(x/(1-k*x)).at n=42A341033
• Value of prime number D for incrementally largest values of minimal x satisfying the equation x^2 - D*y^2 = -5.at n=37A341083
• Value of prime number D for incrementally largest values of minimal y satisfying the equation x^2 - D*y^2 = -5.at n=36A341085
• Expansion of (1 - x - x^3)/((1 - x - x^3)^2 - 4*x^4).at n=16A375279
• a(n) = Sum_{k=0..floor(2*n/3)} binomial(4*n-4*k,2*k).at n=8A375308
• a(n) = Sum_{k=0..floor(n/2)} binomial(4*k,n-2*k).at n=16A375314
• Prime numbersat n=6294