72287

Properties

Appears in sequences

• Array read by downward antidiagonals: A(n,k) = A(n-1,k+2) + Sum_{j=0..k} binomial(k,j)*A(n-1,j) with A(0,k) = 1, n >= 0, k >= 0.at n=49A369595
• a(n) = p(n^2*p(n)), where p(x) is the least prime > x.at n=41A378137
• Primes having only {2, 7, 8} as digits.at n=26A385789
• Prime numbersat n=7156