27926

Appears in sequences

• a(n) = a(n-1) + a(n-2) + F(n) - 1, a(0) = a(1) = 0, where F() = Fibonacci numbers A000045.at n=18A006478
• Numerators of continued fraction convergents to sqrt(85).at n=6A041150
• A Collatz-Fibonacci mixture: a(1) = 1, a(2) = 2, a(n+2) = a(n+1)/2+a(n)/2 if a(n+1) and a(n) have the same parity, a(n+2) = a(n+1)+a(n) otherwise.at n=43A069202
• a(1)=1, a(n) = Sum_{k=1..n-1} max(a(k), a(n-k)).at n=11A075496
• a(n) = A273059(4n+1).at n=29A275917
• Expansion of Product_{k=1..10} theta_3(q^k), where theta_3() is the Jacobi theta function.at n=45A320242
• Number of multiples of n which have only distinct and nonzero digits in base 10.at n=32A328287