505019158607
domain: N
Appears in sequences
- Bisection of Lucas numbers: a(n) = L(2*n) = A000032(2*n).at n=28A005248
- Numerators of continued fraction convergents to sqrt(245).at n=23A041458
- Numerators of continued fraction convergents to sqrt(845).at n=13A042630
- a(n) = Lucas(4*n).at n=14A056854
- Lucas numbers L(8*n).at n=7A087265
- a(n) = Lucas(7*n).at n=8A087281
- a(n) = L(P(n)), where P = A000041 (partition numbers) and L = A000032 (Lucas numbers).at n=11A100845
- Lucas numbers for which the sum of the digits is also a Lucas number.at n=12A117764
- Lucas numbers which are divisible by the sum of their digits.at n=7A117789
- Lucas numbers for which the sum of the digits is a prime.at n=19A117790
- a(n) = (F(2*n-1) + F(2*n+1))*(5/6 - cos(2*Pi*n/3)/3), where F(n) = Fibonacci(n).at n=28A128052
- Lucas(3n+2) = Fibonacci(3n+1) + Fibonacci(3n+3).at n=18A163063
- Logarithmic derivative of the squares of the Fibonacci numbers (A007598, with offset).at n=27A173661
- Alternating row sums of Riordan triangle A110162.at n=28A219233
- Numbers n such that n^2 + 1 is the product of three distinct Fibonacci numbers > 1.at n=26A245688