80856

Appears in sequences

• Gaps of 8 in sequence A038593 (lower terms).at n=30A038655
• A hexagonal spiral Fibonacci sequence.at n=23A094925
• Expansion of psi(-q^3) / psi(-q)^3 in powers of q where psi() is a Ramanujan theta function.at n=23A132974
• a(n) = Sum_{-n<i<n, -n<j<n, gcd{i,j}=3} (n-|i|)*(n-|j|).at n=32A331774
• Difference between prime(Fibonacci(n+1)) and prime(Fibonacci(n)).at n=20A343256
• Numbers k such that k +- 2 and k +- 3 are all semiprimes.at n=23A382049