350704367

Appears in sequences

• a(n) = floor[(phi + n mod 2)*a(n-1)], a(1)=1.at n=29A107857
• a(n) = b(k), where b(k) = Fibonacci(n-1) and k = floor( n*(1+sqrt(5))/2 ).at n=29A107858
• a(n+3) = 3*a(n+2) + 5*a(n+1) + a(n), a(0) = 1, a(1) = 2, a(2) = 11.at n=14A110679
• Indices of centered pentagonal numbers (A005891) that are also triangular numbers (A000217).at n=14A254627
• p-INVERT of the positive integers, where p(S) = 1 - S^2.at n=21A290890
• a(n) = (Fibonacci(3*n-1) + 1)/2 for n >= 1.at n=14A292278
• Expansion of (1 - x + x^2)/((1 - x + x^2)^2 - 4*x^2).at n=21A376716
• Upper (1/2)-midsequence of (F(2n)) and (F(2n+1)), where F=A000045 (Fibonacci numbers); see Comments.at n=21A387779