119072

Appears in sequences

• sin(exp(x)-cos(x))=x+2/2!*x^2-12/4!*x^4-68/5!*x^5-208/6!*x^6...at n=9A013310
• Maximal number of regions into which 4-space can be divided by n hyperspheres.at n=36A059173
• a(n) = p^2*(p + 3)/2, where p = prime(n).at n=17A179546
• Product of the 5th power of a prime and different distinct prime of the 2nd power (p^5*q^2).at n=26A179646
• Primitive numbers whose abundance is positive and odd.at n=21A259231
• a(n) = 4*n^3 - 3*n + 1.at n=31A280089
• Numbers whose sum of squarefree divisors and sum of nonsquarefree divisors are both squarefree numbers.at n=23A300984
• a(n) is the largest positive integer that is abundant and has the same prime signature as A025610(n) or 0 if no such number exists.at n=19A343329
• Composite numbers k such that k is divisible by A318996(k).at n=7A343904
• Numbers that have exactly one Zumkeller divisor but are not Zumkeller.at n=18A376877
• a(n) is the least m > 0 such that sigma(m) - 2m = A140863(n).at n=16A380866