242346

Appears in sequences

• Numbers k such that 2*k^2 + 9 is a square.at n=7A075848
• Expansion of (1 +4*x -x^2)/((1-x^2)*(1-2*x-x^2)); a Pellian-related sequence.at n=13A114689
• Fourth left hand column of triangle A163940.at n=13A163944