27633

Appears in sequences

• a(n) = Fibonacci(2*n+1) - 2^(n-1).at n=10A061667
• Smallest k not a palindrome and not divisible by 10 such that k and R(k) (A004086) both are divisible by the n-th prime.at n=17A075605
• Diagonal sums of triangle A008949.at n=20A079284
• For even n, a(n) = a(n-2) + a(n-1) + 2^(n/2-2), n>2. For odd n, a(n) = a(n-2) + a(n-1).at n=21A079289
• Number of permutations of 1..n with displacements restricted to {-6,-5,-4,-2,0,1,3}.at n=12A189597
• Numbers n such that 3*n and n^3 have the same digit sum.at n=39A260906
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 629", based on the 5-celled von Neumann neighborhood.at n=28A273297