6643838879

Appears in sequences

• a(n) = Lucas(5*n+2).at n=9A001947
• Bisection of Lucas sequence: a(n) = L(2*n+1).at n=23A002878
• a(n) = L(L(n)), where L(n) are Lucas numbers A000032.at n=8A005371
• Prime Lucas numbers (cf. A000032).at n=14A005479
• Duplicate of A005371.at n=8A081255
• a(1) = 1, a(2) = 2, a(n+1) = n*a(1) + (n-1)*a(2) + ... + (n-r)*a(r+1) + ... + a(n).at n=24A093960
• a(0)=-1, a(1)=-1, a(n)=-3*a(n-1)-a(n-2) for n>1.at n=24A098149
• Primes corresponding to the indices of A059791.at n=12A118839
• Lucas-Fibonacci prime twins: Prime Lucas numbers Lucas(k) such that Fibonacci numbers Fibonacci(k) are also prime.at n=6A121534
• Numbers n such that the quintic polynomial x^5 - 10*n*x^2 - 24*n has Galois group A_5 over rationals.at n=22A135064
• Odd terms in A014217.at n=23A142718
• Primes which are the sum of four consecutive Fibonacci numbers.at n=12A153867
• Lucas(3n+2) = Fibonacci(3n+1) + Fibonacci(3n+3).at n=15A163063
• a(n) = Lucas(prime(n)).at n=14A180363
• a(n) = Fibonacci(8n+5) mod Fibonacci(8n+1).at n=5A191968
• Primes that are Lucas primes, or that can be written as the quotient of Lucas numbers.at n=33A201011
• Integers n such that n^2 is the difference of two Lucas numbers (A000032).at n=30A221471
• Numbers m such that m^2 - 1 is the product of three distinct Fibonacci numbers > 1.at n=30A242103
• Lucas numbers whose sum of decimal digits is greater than its index.at n=19A258740
• Numbers k such that k^2+2 is the product of a Fibonacci number and a Lucas number.at n=28A259561