259325

Appears in sequences

• Numbers k such that k^2 is composed of three 1-digit-overlapping subsquares.at n=31A048426
• G.f. satisfies A(x) = 1 + x*A(x)^3 + x^5*A(x)^13.at n=9A216493
• Numbers k, not powers of primes, for which A011772(k) divides A344875(k), and for all proper divisors d of k, A011772(d) < A011772(k).at n=27A344694
• Number of polynomials with a shortest addition-multiplication chain of length n, starting with 1 and x.at n=7A384382