196778

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 38.at n=17A031626
• Negated inverse Euler transform of {-1 if n is a triangular number else 0, n > 0} = -A010054.at n=36A320784
• Number of Fibonacci meanders of length n.at n=24A361575