41985

Appears in sequences

• Numerators of continued fraction convergents to sqrt(653).at n=7A042254
• The 3rd Witt transform of A000217.at n=15A147618
• a(0)=0, a(1)=1, for n>1, a(n) = a(n-1)*2 + floor(a(n-2)/n).at n=16A182442