121396

Appears in sequences

• Fibonacci(4n+2)+3, or Fibonacci(2n-1)*Lucas(2n+3).at n=6A081073
• Smallest nonsquarefree integer > the n-th term of the Fibonacci sequence.at n=25A114555
• a(n) = Fibonacci(n) + 3.at n=26A157726
• a(n) = a(n-1) + Fibonacci(n), a(1)=5.at n=23A169622
• Number of lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any horizontal, vertical or antidiagonal neighbor, and containing the value n(n+1)/2-2.at n=30A211924
• Number of compositions of n such that the maximal cardinality of C is 1, where C is a subset of the set of parts such that all elements in C appear in weakly increasing order within the composition.at n=19A387371