42821

Properties

Appears in sequences

• Number of forests of rooted trees with total weight n, where a node at height k has weight 2^k (with root considered to be at height 0).at n=44A115593
• Number of arrays of n integers in -5..5 with sum zero and equal numbers of elements greater than zero and less than zero.at n=5A201808
• T(n,k)=Number of arrays of n integers in -k..k with sum zero and equal numbers of elements greater than zero and less than zero.at n=50A201811
• Number of arrays of 6 integers in -n..n with sum zero and equal numbers of elements greater than zero and less than zero.at n=4A201814
• Numbers k such that k+x+y is a perfect cube, where x and y are the two cubes nearest to k.at n=16A238599
• Primes of a056240-type 3.at n=29A300359
• Records in A353717.at n=32A353722
• Prime numbersat n=4477