16789505

Appears in sequences

• a(n) = 5th Fibonacci polynomial evaluated at 2^n.at n=6A020531
• Pell equation solutions (32*b(n))^2 - 41*(5*a(n))^2 = -1 with b(n) = A226694(n), n >= 0.at n=2A226695
• Numbers in base 10 that are palindromic in bases 4, 8 and 16.at n=18A319609
• Numbers k such that A163511(k) is an eleventh power.at n=23A366391
• a(n) = Sum_{k=0..floor(n/2)} n^(3*(n-2*k)) * binomial(n-k,k).at n=4A368890