20186

Appears in sequences

• a(0) = 1, a(n) = 24*n^2 + 2 for n>0.at n=29A010014
• Apply partial sum operator 4 times to Stern's sequence.at n=12A014175
• Numbers k such that the continued fraction for sqrt(k) has period 53.at n=27A020392
• a(n) = floor(n^3 / e).at n=38A032636
• Gaps of 2 in sequence A038593 (lower terms).at n=19A038643
• Row sums of triangle A113288.at n=10A113289
• a(n) = 2^n + 3^n - n.at n=9A120848
• E.g.f. exp(x+x^3/6).at n=11A190865
• Monotonic ordering of set S generated by these rules: if x and y are in S then 3xy-x-y is in S, and 2 is in S.at n=16A192529
• Number of unit cubes that have a side on the surface of a p X p X p cube composed of p^3 unit cubes, where p is the n-th prime.at n=16A261971