222850

Appears in sequences

• a(n) = n*Pell(n) * Sum_{d|n} 1/(d*Pell(d)) where Pell(n) = A000129(n).at n=11A203414
• Number of nX3 arrays containing 3 copies of 0..n-1 with no equal vertical neighbors and new values introduced sequentially from 0.at n=4A265230
• T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no equal vertical neighbors and new values introduced sequentially from 0.at n=25A265232
• Number of 5Xn arrays containing n copies of 0..5-1 with no equal vertical neighbors and new values introduced sequentially from 0.at n=2A265235