71064

Appears in sequences

• Dying rabbits: a(n) = a(n-1) + a(n-2) - a(n-11).at n=25A023441
• Number of 6-step self-avoiding walks on an n X n square summed over all starting positions.at n=17A188151
• Molecular topological indices of the prism graphs Y_n.at n=27A192838
• Numbers n such that n and n^4 are sums of two twin primes.at n=13A212430
• Triangular array read by rows. T(n,k) is the number of 2 tuple lists of length n that have exactly k coincidences; n >= 0, 0 <= k <= n.at n=22A226780
• Sum of all parts of all overpartitions of n.at n=17A235793
• Number of nonnegative integers with property that their base 9/5 expansion (see A024653) has n digits.at n=16A245430
• Numbers n for which there exists k > n such that A000203(k) = A000203(n) and A007947(k) = A007947(n), where A000203 gives the sum of divisors, and A007947 gives the squarefree kernel of n.at n=14A255334
• E.g.f. satisfies A(x) = -log(1 - x) * exp(3 * A(x)).at n=5A357334
• G.f. satisfies A(x) = ( 1 + x*A(x)^2 / (1 - x*A(x))^3 )^3.at n=5A365152
• Numbers k such that k +- 2 and k +- 3 are all semiprimes.at n=21A382049