33444

Appears in sequences

• Numbers with digits 3 and 4 only.at n=37A032834
• Number of self-avoiding walks of length n from origin in strip Z X {0,1}.at n=19A038577
• a(n) = if n mod 2 = 0 then 8*F(n)-n otherwise 8*F(n)-4, where F() = Fibonacci numbers A000045.at n=19A110935
• Retrograde trajectory of 11 under map n -> A132988(n).at n=40A132991
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4.at n=18A293358