23044

Appears in sequences

• a(0) = 0; for n>0, a(n) = maximal number of regions into which space can be divided by n spheres.at n=42A046127
• Number of strings of numbers x(i=1..n) in 0..5 with sum i^2*x(i) equal to n^2*5.at n=9A183949
• Number of strings of numbers x(i=1..10) in 0..n with sum i^2*x(i) equal to n*100.at n=4A183961
• Number of length 2+2 0..n arrays with no three consecutive terms having the sum of any two elements equal to twice the third.at n=11A248463
• Number of strict solid partitions of n.at n=28A323657
• Number of permutations of [n] whose fixed points sum to n.at n=9A369796
• Expansion of 1/( (1-x) * (1-x-9*x^2)^2 )^(1/3).at n=9A383605