66825

Appears in sequences

• Numbers that are the sum of 2 positive 5th powers.at n=41A003347
• Odd numbers divisible by exactly 8 primes (counted with multiplicity).at n=21A046321
• Denominators of coefficients in Taylor series for log(tan(x)/x).at n=5A047686
• Number of nonempty subsets of {1,2,...,n} in which exactly 4/5 of the elements are <= (n-3)/3.at n=37A048035
• a(n) = 6^n + 9^n.at n=5A074621
• Antidiagonal sums of square array A082011.at n=26A082014
• Numbers of form x^5 + y^5, x,y > 0 and x <> y.at n=33A088703
• Difference in count of primes <= mean and > mean below 10^n in A092849 and A092850.at n=7A092851
• Denominator of Laguerre(n, 8).at n=12A160639
• The odd part of Minkowski(n)/n!at n=21A163394
• a(n) = n^3*(n+1)^2*(n+2)/12.at n=8A165187
• Write x*cot(x) = Product_{n>=1} (1 + g_n*x^(2*n)); a(n) = denominator(g_n).at n=4A170921
• Triangle a(n,k) = binomial(n,k)*binomial(n+1,k+1)*binomial(n+2,k+2) read by rows.at n=46A187552
• Denominators of hypergeometric Cauchy numbers c_(2,n).at n=9A224085
• Numbers of the form 6^j + 9^k, for j and k >= 0.at n=39A226830
• Discriminants of totally real cubic fields with 2 associated nonconjugate fields.at n=12A329786
• a(n) = n^5 * Sum_{p|n, p prime} 1/p^5.at n=17A351245
• Denominators of coefficients c(n) in product expansion of (tan x)/x = Product_{k>=1} 1 + c(k)*x^(2k).at n=4A353587
• Numbers k such that A360327(k) > 2*k.at n=7A360328
• Denominators of coefficients of the partition function per spin, lambda (divided by 2), in the very high temperature region, expressed as a power series in the parameter K^2, for the spin-1/2 Ising model on square lattice.at n=6A370954