391026

Appears in sequences

• Numbers k such that 213*2^k+1 is prime.at n=19A032483
• Total sum of the 9th powers of lengths of ascending runs in all permutations of [n].at n=4A228999
• Number of nX4 0..1 arrays with every element equal to 0, 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.at n=10A299190
• a(n) = Sum_{k=0..floor(n/3)} 2^(n-3*k) * binomial(2*k+1,2*n-6*k+1).at n=28A387652