333312

Appears in sequences

• Least number m > 1 such that A000203(x)*x = m has exactly n solutions.at n=2A212490
• Numbers k for which sigma(k)/k - 1/7 is an integer.at n=3A218428
• Numbers k such that k = Sum_{i=1..j} (d_i mod d), where d_i are their aliquot parts and d is one of them.at n=26A265646
• Number of Motzkin meanders of length n with an even number of humps and an even number of peaks.at n=14A325921
• Number of non-isomorphic n X n nonnegative integer symmetric matrices with all row and column sums equal to 3 up to permutations of rows and columns.at n=13A333888
• Numbers m such that the equation m = k*sigma(k) has more than one solution.at n=15A337873
• Numbers k such that the smallest m such that k | psi(m) is even, psi = A002322.at n=28A341886