221311

Properties

Appears in sequences

• a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (F(2), F(3), F(4), ...), t = A000201 (lower Wythoff sequence).at n=33A025107
• Same as A063850, Say what you see in previous term, but starting with 3.at n=5A112513
• Prime numbersat n=19722