4348377

Appears in sequences

• Irregular triangle T(n, k) = ((-1)^(k+1)/2)*Sum_{j=0..n-2*k} binomial(n+2, j)*binomial(n+2, j+k+1)* binomial(n+2, j+2*k+2), read by rows.at n=33A158193
• Products of the 5th power of a prime and a distinct prime of the 3rd power (p^5*q^3).at n=31A179671
• Number of multisets of exactly ten partitions of positive integers into distinct parts with total sum of parts equal to n.at n=31A320795
• a(n)^2 is the least square that has exactly n 0's in base n.at n=9A342545
• Odd numbers whose arithmetic derivative (A003415) is equal to Dedekind psi (A001615) applied to the same number.at n=7A345005