969323030

Appears in sequences

• a(n) = Lucas(4n+3) + 1, or 5*Fibonacci(2n+1)*Fibonacci(2n+2).at n=10A081015
• Partial sums of A005248.at n=21A188378
• Partial sums of the squares of Lucas numbers (A000032).at n=21A216243
• Number of odd chordless cycles in the (2n+1)-prism graph.at n=20A301774
• Number of odd chordless cycles in the (2n+1)-web graph.at n=20A301775