89513

Properties

Appears in sequences

• Primes p such that the differences between the 5 consecutive primes starting with p are (6,2,6,6).at n=8A078960
• Primes of the form 20*k^2 + 36*k + 17.at n=25A154419
• Triangle read by rows: T(n,k) = number of chiral pairs of color patterns (set partitions) in a row of length n using exactly k colors (subsets).at n=60A320525
• Number of chiral pairs of color patterns (set partitions) in a row of length n using exactly 6 colors (subsets).at n=10A320529
• a(n) is the numerator of the sum of reciprocals of primes not exceeding n and not dividing binomial(2*n, n).at n=29A334074
• Number of chordless cycles of length >=4 in the n X n zebra graph.at n=6A362539
• Prime numbersat n=8667