371449

Appears in sequences

• a(0)=1, a(1)=1, a(n) = 13*a(n/2) for n=2,4,6,..., a(n) = 12*a((n-1)/2) + a((n+1)/2) for n=3,5,7,....at n=34A116524
• Numerator of Sum_{k=1..n-1} 1/(k*(n-k))^2.at n=13A304581