172656

Appears in sequences

• a(n) = Sum_{k=0..floor(n/2)} A026626(n-k, k).at n=25A026636
• Simple continued fraction expansion of product {n >= 0} {1 - sqrt(m)*[sqrt(m) - sqrt(m-1)]^(4*n+3)}/{1 - sqrt(m)*[sqrt(m) - sqrt(m-1)]^(4*n+1)} at m = 3.at n=19A221074