19076

Appears in sequences

• a(n) = 4 + 8*n + 10*n^2 + 4*n^3.at n=16A100207
• Multiples of 19 containing a 19 in their decimal representation.at n=34A121039
• Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 3X3 tee 1,1 1,2 1,3 2,2 3,2 in any orientation.at n=15A146010
• Monotonic ordering of nonnegative differences 5^i-3^j, for 40>=i>=0, j>=0.at n=34A192150
• Monotonic ordering of nonnegative differences 5^i-9^j, for 40>= i>=0, j>=0.at n=19A192199
• G.f.: Sum_{n>=0} x^n/Product_{k=1..n} (1 - Lucas(k)*x^k + (-1)^k*x^(2*k)).at n=15A206140
• Base-5 analog of A208059.at n=46A212994
• The Wiener index of the graph obtained by applying Mycielski's construction to the crown graph G(n) (n>=3).at n=35A228598
• Expansion of Product_{k>=1} (1 - x^(6*k)) * (1 + x^k) / (1 - x^k).at n=24A280874
• Consecutive states of the linear congruential pseudo-random number generator 171*s mod 30269 when started at s=1.at n=39A385031