120406

Appears in sequences

• Fibonacci sequence beginning 0, 11.at n=21A022345
• Binomial transform of n*F(n).at n=11A117202
• a(n) = 2*a(n-1) + prime(n) - prime(n-1), a(1)=2, where prime(n) denotes the n-th prime.at n=15A125180
• Row sums of A128619.at n=20A128620
• Collatz trajectory starting at 3711.at n=26A179623
• Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=21A254912