46254

Appears in sequences

• a(n) = a(n-1) + a(m) for n >= 4, where m = 2*n - 2 - 2^(p+1) and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = 1, a(2) = 2, and a(3) = 4.at n=39A050055
• a(n) is the smallest number k such that A073813(k) = prime(n).at n=48A073814
• Binomial transform of A073817: a(n)=Sum(Binomial(n,k)*A073817(k),(k=0,..,n)).at n=10A075116
• High water marks in A177413.at n=11A184952
• Number of 4-step E, S, NW and NE-moving king's tours on an n X n board summed over all starting positions.at n=29A187587
• Number of compositions such that their set adjacent differences are a subset of {-1,1} and contain 1 as a part of the composition itself.at n=50A372647
• Number of integer partitions of n whose maximal anti-runs do not all have different maxima.at n=42A375401
• a(n) is the first number that is the sum of two palindromic primes in exactly n ways.at n=8A379138