600196

Appears in sequences

• Number of self-avoiding walks of length n from origin in strip Z X {0,1}.at n=25A038577
• a(n) = if n mod 2 = 0 then 8*F(n)-n otherwise 8*F(n)-4, where F() = Fibonacci numbers A000045.at n=25A110935
• Total number of n-digit numbers requiring 13 positive biquadrates in their representation as sum of biquadrates.at n=6A186672