88397

Properties

Appears in sequences

• a(n) = Sum_{k=0..n-2} T(n,k) * T(n,k+2), with T given by A026758.at n=7A027233
• Third term of strong prime sextets: p(m-1)-p(m-2) > p(m)-p(m-1) > p(m+1)-p(m) > p(m+2)-p(m+1) > p(m+3)-p(m+2).at n=29A054815
• Septic artiads: primes p congruent to 1 mod 14 for which all solutions of the congruence x^3 + x^2 - 2x - 1 == 0 (mod p) are 7th power residues.at n=24A270800
• The first of three consecutive primes the sum of which is equal to the sum of three consecutive triangular numbers.at n=31A298169
• Number of pairs (lambda,mu) of partitions lambda of n and mu of six with mu <= lambda (by diagram containment).at n=26A303856
• Number of noncrossing partitions of an n-set up to rotation and reflection with all blocks having a prime number of elements.at n=20A303875
• Primes that are equal to the sum of the first k proper prime powers for some k.at n=6A368850
• Primes which satisfy the requirements of A380943 in more than one way.at n=30A383810
• Primes which satisfy the requirements of A380943 in exactly two ways.at n=29A383811
• Number of integer partitions that are the first sums of some integer partition of n > 0.at n=44A390429
• Prime numbersat n=8569