8321499136

Appears in sequences

• a(n) = (n+2)*2^(n-1).at n=29A001792
• a(n) = Sum_{k=0..floor(n/2)} k*binomial(n,2*k) = floor(n*2^(n-3)).at n=31A049610
• Inverse binomial transform of A026741.at n=31A168150
• Consider the list s(1), s(2), ... of numbers that are products of exactly n primes; a(n) is the smallest s(j) whose decimal expansion ends in j.at n=29A186000
• a(1) = 1, a(2) = 2, a(3) = 5, a(4) = 8 and a(5) = 15, a(n) = Sum_{j=1..n-1} a(j).at n=33A257548
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 267", based on the 5-celled von Neumann neighborhood.at n=32A287463
• (1/8) times the sum of the elements of all subsets of [n] whose sum is divisible by eight.at n=31A309300