1229760

Appears in sequences

• Conflicts during insertions into exchange trees on n nodes.at n=9A007905
• Euler's totient of A104357(n) = A104350(n) - 1.at n=10A104363
• Triangle, rows = inverse binomial transforms of A073133 columns.at n=49A117936
• Triangle read by rows, k!*s_2(n, k) where s_m(n, k) are the Stirling-Frobenius cycle numbers of order m; n >= 0, k >= 0.at n=42A225475
• Number T(n,k) of colored integer partitions of n using all colors of a k-set such that each block of part i with multiplicity j has a pattern of i*j distinct colors in increasing order; triangle T(n,k), n>=0, A185283(n)<=k<=n, read by rows.at n=44A326616