133211

Appears in sequences

• a(n) = -2*a(n - 1) -a(n - 2) -a(n - 3), a(0) = a(1) = a(2) = 1.at n=22A056016
• From numerators in expansion of tan(arcsinh(x)) - sin(arctanh(x)).at n=8A068556
• Floor of sums of the non-integer fourth roots of n, as partitioned by the integer roots: floor(Sum_{j=n^4+1..(n+1)^4-1} j^(1/4)).at n=13A248698
• Expansion of Product_{k>=1} 1 / (1 - 10^(k-1)*x^k).at n=6A338679