49372domain: NAppears in sequencesLeast number m such that the Sigma-Harmonic sequence Sum_{k=1..m} 1/sigma(k) >= n.at n=7A074468Number of nondecreasing arrangements of n+2 numbers in 0..n with the last equal to n and each after the second equal to the sum of one or two of the preceding three.at n=26A190034