176549

Properties

Appears in sequences

• T(n,k) = 1 + A176343(n) - A176343(k) - A176343(n-k), triangle read by rows (n >= 0, 0 <= k <= n).at n=38A176344
• T(n,k) = 1 + A176343(n) - A176343(k) - A176343(n-k), triangle read by rows (n >= 0, 0 <= k <= n).at n=42A176344
• Primes which are sums of two or more distinct 4th powers of primes.at n=18A193411
• Number of isomorphism classes of reduced Witt rings of fields with 2n orderings.at n=27A213331
• Number of isomorphism classes of reduced Witt rings of fields with n orderings.at n=55A213332
• a(n) = Sum_{k=0..floor(n/3)} binomial(3*n-k+1,n-3*k).at n=7A371774
• Prime numbersat n=16047