87337

Properties

Appears in sequences

• Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by A026907.at n=16A026918
• Fourth term of weak prime sextet: p(m-2)-p(m-3) < p(m-1)-p(m-2) < p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1).at n=30A054831
• Smallest prime divisor of Kummer numbers ( = primorials - 1), or 1 if no such prime exists.at n=15A057713
• Primes of the form Sum_{k=1..n} phi(prime(k)).at n=33A101302
• Primes from merging of 5 successive digits in decimal expansion of Catalan's constant.at n=24A104919
• Number of nondecreasing -2..2 vectors of length n whose dot product with some lexicographically greater or equal nondecreasing -2..2 vector equals n.at n=35A226416
• Numbers k such that 4*10^k - 99 is prime.at n=27A278960
• Primes p1 such that the sum of 9 consecutive primes, p1+p2+p3+p4+p5+p6+p7+p8+p9, and the three sums (p1+p2+p3), (p4+p5+p6), (p7+p8+p9) are all prime numbers.at n=29A343683
• Prime numbersat n=8481