1421293

Properties

Appears in sequences

• a(n) = a(n-1) + a(n-2) + 1 for n > 1, a(0)=1, a(1)=5.at n=27A022319
• a(n) = A014217(n+3) - A014217(n).at n=27A153263
• Prime numbersat n=108579