-2178309

Appears in sequences

• a(n+2) = -a(n+1) + a(n) (signed Fibonacci numbers) with a(-2) = a(-1) = 1; or Fibonacci numbers (A000045) extended to negative indices.at n=34A039834
• First differences of A135992.at n=32A135994
• a(n) = a(n-1)+a(n-2), n>1 ; a(0)=1, a(1)=-1.at n=34A152163
• Hankel transform of A165203.at n=14A165204
• Hankel transform of A165203.at n=15A165204