75258

Appears in sequences

• Fibonacci sequence beginning 0, 18.at n=19A022352
• a(n) = n * Fibonacci(n+1).at n=18A023607
• Number of nondecreasing integer sequences of length 17 with sum zero and sum of absolute values 2n.at n=16A158151
• On a spirally numbered square grid, with labels starting at 0, this is the number of the final step that a (1,n) leaper makes before getting trapped, or -1 if it never gets trapped.at n=14A323470
• a(n) = Fibonacci(n-1) + Fibonacci(floor(n/2)).at n=26A336030
• The number of even prime gaps g satisfying g == 2 (mod 6) out of the first 2^n even prime gaps.at n=18A341531
• Array read by antidiagonals: T(n,k) is the number of n X n nonnegative integer matrices with sum of elements equal to k, up to rotations and reflections.at n=71A343875