30438domain: NAppears in sequencesa(n) = min_{k=1..n} (a(k-1) + 2^k*(n + a(n-k))); a(0) = 0.at n=13A006696Number of partitions satisfying 0 < cn(1,5) + cn(4,5).at n=39A039898A Jacobsthal Fibonacci product.at n=10A093121Average of 4 primes where the integer Schwarzian derivative is zero.at n=31A094903