2010601

Properties

Appears in sequences

• a(n) = 3*a(n-1) + a(n-2), with a(1)=1 and a(2)=4.at n=12A003688
• Fixed-k dispersion for Q = 13: array D(g,h) (g, h >= 1), read by ascending antidiagonals.at n=27A120863
• Prime numbersat n=149679