67531

Properties

Appears in sequences

• T(n,n+2), array T given by A047000.at n=9A047007
• Smallest prime that ends with the right concatenation of first n odd numbers.at n=3A068839
• Primes which are triangular numbers plus 3.at n=33A159047
• G.f. A(x) satisfies: A(x) = 1 / ((1 + x) * (1 - x * A(x)^5)).at n=8A349301
• Numbers k such that tau(k) + tau(k+1) + tau(k+2) + tau(k+3) = 16, where tau is the number of divisors function A000005.at n=34A350686
• Table in which the g.f. of row n, R(n,x), satisfies Sum_{k=-oo..+oo} (x^k - n*R(n,x))^k = 1 - (n-2)*Sum_{k>=1} x^(k^2), for n >= 1, as read by antidiagonals.at n=73A370030
• Expansion of g.f. A(x) satisfying Sum_{n=-oo..+oo} (x^n - 5*A(x))^n = 1 - 3*Sum_{n>=1} x^(n^2).at n=7A370035
• Prime numbersat n=6728