1860495

Appears in sequences

• Number of strict (-1)st-order maximal independent sets in cycle graph.at n=29A007390
• a(n) = Lucas(n+2) - 3.at n=27A027961
• a(n) = Lucas(4*n+2) - 3 = 5*Fibonacci(2*n)*Fibonacci(2*n+2).at n=7A081079