123101

Appears in sequences

• a(n) = n^4 - n^3 - n^2.at n=19A132998
• Expansion of e.g.f.: A(x) = -(1 + LambertW(-log(1+x))/log(1+x))/x.at n=7A136461
• Number of strings of numbers x(i=1..7) in 0..n with sum i^2*x(i)^2 equal to n^2*49.at n=25A184245
• a(n) = (1/n) times the n-th derivative of the eighth tetration of x (power tower of order 8) x^^8 at x=1.at n=7A295108
• a(n) = (1/n) times the n-th derivative of the ninth tetration of x (power tower of order 9) x^^9 at x=1.at n=7A295109
• a(n) = (1/n) times the n-th derivative of the tenth tetration of x (power tower of order 10) x^^10 at x=1.at n=7A295110
• Numbers whose prime factors counted with multiplicity satisfy: (maximum) - (minimum) = (mean).at n=35A362268