1769472

Appears in sequences

• Denominator of [x^(2n+1)] in the Taylor expansion sin(cosec(x)-cot(x))= x/2 + x^3/48 - x^5/1280 - 55*x^7/129024 - 143*x^9/1769472 + ...at n=4A013517
• Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*9^j.at n=22A038287
• Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*8^j.at n=26A038298
• Orders of finite Abelian groups having the incrementally largest numbers of nonisomorphic forms (A046054).at n=26A046055
• Denominators in expansion of 1/(10+sqrt(36+x)).at n=2A051551
• a(n) = (3^3)*4^(n-3) with a(0)=1, a(1)=1 and a(2)=7.at n=11A056120
• Number of divisors of k as k runs through sequence of distinct values of LCM(1,..,n).at n=25A056795
• a(0) = 1; a(n) = LCM(n, sum{k=0 to n-1}[a(k)]).at n=12A057827
• Card-matching numbers (Dinner-Diner matching numbers).at n=24A059061
• Card-matching numbers (Dinner-Diner matching numbers).at n=31A059067
• 19-almost primes (generalization of semiprimes).at n=4A069280
• Product of divisors of n which are >= n^(1/2).at n=47A072500
• Binomial transform of A001651.at n=17A084858
• 3-smooth numbers whose arithmetic derivatives are also 3-smooth.at n=40A085256
• Number of divisors of n-th cyclic number.at n=10A087024
• For each prime power n, a(n) is the number of positive integers that have n as their greatest prime power.at n=60A101207
• First differences of A109975.at n=19A111297
• Least n-almost prime of the form semiprime + 1.at n=18A128665
• Integers n such that if you insert between each of their digits either "*" (times), "^" (exponentiation), or "nothing" (so that two or more digits are merged to form an integer), then you can recover n in a nontrivial way (however, two "^" mustn't be adjacent - you must avoid decompositions containing a^b^c).at n=9A156322
• a(n) = 27*2^n.at n=16A175806