3330677

Appears in sequences

• G.f.: exp( Sum_{n>=1} (x^n/n) * Sum_{d|n} d*sigma(n/d,d) ).at n=28A198301
• Number of nXnXn triangular 0..4 arrays with every horizontal row having the same average value.at n=4A214591
• T(n,k) = number of n X n X n triangular 0..k arrays with every horizontal row having the same average value.at n=32A214595
• Number of 5X5X5 triangular 0..n arrays with every horizontal row having the same average value.at n=3A214598