263340

Appears in sequences

• Order of certain group related to alternating sign matrices.at n=6A056065
• Numbers with prime factorization pqrst^2u^2.at n=2A190380
• a(n) = lcm(A225627(n),p1,p2,...,pk) for such a partition {p1+p2+...+pk} of n which maximizes this value among all partitions of n.at n=20A225628
• a(n) = 10*binomial(n+4, 5).at n=18A266732
• T(n, k) = (1/n) * Sum_{d|n} phi(d) * A241171(n/d, k) for n >= 1, T(0, k) = 0^k. Triangle read by rows for 0 <= k <= n.at n=25A327027
• Numbers k where A093653(k)/A000120(k) sets a new record.at n=32A360641
• Coefficient of x^n in the expansion of (1+x^4+x^5)^n.at n=22A387200