27107

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 6x + 7.at n=24A023289
• Number of n-node simple graphs having clique number 5.at n=8A077392
• Triangle read by rows formed from nonzero entries in table of number of graphs on n nodes with clique number k.at n=32A115196
• Primes of the form 15*k^2 - 15*k + 17.at n=31A220081
• Triangle read by rows: T(n,k) is the number of unlabeled simple graphs on n vertices with independence number k.at n=40A263341
• Triangle read by rows: T(n,k) is the number of graphs with n vertices with vertex cover number k-1.at n=40A287024
• Primes p such that p^3 - 1 has 8 divisors.at n=27A341659
• Triangle T(n,k) read by rows: T(n,k) = -binomial(n+1,k) + Sum_{i=0..k} Sum_{j=0..i+1} (i+1)^(n-i+j)*(-1)^(k-i)/(j!*(k-i)!) for 0 <= k <= n.at n=47A380179
• Prime numbersat n=2973