1807781

Properties

Appears in sequences

• a(n) = Sum_{k=0..8} binomial(n,k).at n=25A008861
• Number of 1-punctured staircase polygons (by perimeter) with a hole of perimeter 4.at n=16A055022
• Row sums of A159841.at n=8A160906
• Smallest prime of the form Sum_{i=0..k} binomial(n,i), or a(n)=0 if there is no such a prime.at n=24A258126
• a(n) = number of subsets of {1,2,...,n} that contain more primes than nonprimes.at n=25A369780
• Prime numbersat n=135614