46356

Appears in sequences

• a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (composite numbers), t = (primes).at n=41A024604
• Third column of triangle A054450 (partial row sums of unsigned Chebyshev triangle A049310).at n=21A054451
• Partial sums of A027941(n-1) with a(-1) = 0.at n=12A054452
• a(n) = Sum_{k=0..floor(n/2)} binomial(n-k+3, k).at n=20A099571
• a(n) = F(4n) - 2n, where F(n) = Fibonacci numbers A000045.at n=5A099922
• Antidiagonal sums of triangular array T defined in A014430: T(j,k) = binomial(j+1, k) - 1 for 1 <= k <= j.at n=20A129696
• Where powers of 2 occur in the union of squares and powers of 2.at n=31A188917
• Convolution of (1,-1,2,-2,3,-3,...) and A000045 (Fibonacci numbers).at n=23A213043
• a(0) = a(1) = 1; for n>1, a(n) = a(n-1) + a(n-2) + floor(n/2).at n=21A215004
• Numbers k such that k^4096 + (k+1)^4096 is prime.at n=20A274236