37639840

Appears in sequences

• a(0) = 0, a(1) = 4; for n > 1, a(n) = 10*a(n-1) - a(n-2).at n=8A122652
• Denominators of continued fraction convergents to sqrt(3/2).at n=15A142239
• Square root of floor(A055851(n)/6).at n=26A204519