81081

Appears in sequences

• Degrees of irreducible representations of Fischer group Fi22.at n=19A003913
• Smallest k such that k*n is a double factorial.at n=24A007919
• Expansion of 1/((1-3*x)*(1-9*x)*(1-12*x)).at n=4A018092
• Least sum of 4 positive cubes in exactly n ways.at n=12A025420
• Expansion of 1/((1-2*x)*(1-6*x)*(1-7*x)*(1-11*x)).at n=4A026542
• Dimension of multiples of minimal representation of complex Lie algebra F4.at n=4A030647
• Odd abundant numbers not divisible by 5.at n=0A064001
• Least number which is the sum of four nonnegative cubes (not necessarily distinct and including zero) in n ways.at n=12A076749
• Primitive abundant numbers that set a new record for number of divisors.at n=9A083873
• Smallest number having n divisors ending with 1 or 9.at n=19A085645
• Triangle of coefficients, read by rows, where T(n,k) is the coefficient of x^n*y^k in f(x,y) that satisfies f(x,y) = (3-sqrt(1-4x))/2 + xy*f(x,y)^3.at n=41A086636
• a(n) = 3^4 * binomial(n+3, 4).at n=10A102741
• a(n) = binomial(n+2,2) * binomial(n+7,2).at n=20A104676
• Odd admirable numbers: such that sigma(n) = 2n + 2d for some d | n.at n=16A109729
• Smallest abundant number relatively prime to n.at n=9A114371
• Smallest abundant number relatively prime to n.at n=19A114371
• Smallest abundant number relatively prime to n.at n=39A114371
• Smallest abundant number with some prime powers fixed by n.at n=9A114809
• Dimensions of the irreducible representations of the simple Lie algebra of type F4 over the complex numbers, listed in increasing order.at n=19A121738
• Least odd primitive abundant number with 3^n as a divisor, but not 3^(n+1).at n=4A133688