53320

Appears in sequences

• Number of excursions of length n on the upper-right part of the hexagonal lattice.at n=10A057648
• a(n) = (sum of first n primes) * n.at n=30A167214
• Number of length n+5 0..2 arrays with at most one downstep in every n consecutive neighbor pairs.at n=12A255112
• a(n) = A008412(n-1) + A008412(n-2) for n>1, a(0)=0, a(1)=1.at n=23A287324