162133

Appears in sequences

• Centered icosahedral (or cuboctahedral) numbers, also crystal ball sequence for f.c.c. lattice.at n=36A005902
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 34.at n=17A031622
• Composite n such that Fibonacci(n) == Legendre(n,5) == -1 (mod n).at n=16A094063
• Odd composite n such that n divides Fibonacci(n) + 1.at n=9A094395
• Composite numbers k that divide both Fibonacci(k+1) and Fibonacci(k) + 1.at n=7A094411
• Composite terms in A128288(n) = A023163(n)/3 for n>1.at n=11A128289
• Semiprimes k that divide Fibonacci(k+1).at n=24A177745
• Frobenius pseudoprimes == 2,3 (mod 5) with respect to Fibonacci polynomial x^2 - x - 1.at n=6A212423
• Frobenius pseudoprimes with respect to Fibonacci polynomial x^2 - x - 1.at n=21A212424
• Strong Lucas pseudoprimes.at n=19A217255
• Extra strong Lucas pseudoprimes.at n=20A217719
• Composites occurring as divisors of Fibonacci(p) with p prime.at n=3A238082
• Odd composite integers m such that F(m)^2 == 1 (mod m) and L(m) == 1 (mod m), where F(m) and L(m) are the m-th Fibonacci and Lucas numbers, respectively.at n=25A337625