87564

Appears in sequences

• Number of self-avoiding walks of length n from origin in strip Z X {0,1}.at n=21A038577
• Indices of primes in the sequence defined by A(0) = 47, A(n) = 10*A(n-1) - 33 for n > 0.at n=31A101724
• a(n) = if n mod 2 = 0 then 8*F(n)-n otherwise 8*F(n)-4, where F() = Fibonacci numbers A000045.at n=21A110935
• Number of (n+2) X (3+2) 0..1 arrays with every 2 X 2 and 3 X 3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally and vertically.at n=23A253505