2056320

Appears in sequences

• Denominators of coefficients in Stirling's expansion for log(Gamma(z)).at n=31A046969
• Expansion of e.g.f. 1/(1-2*x-x^2).at n=7A052555
• E.g.f. (1-x -sqrt(1-2*x-3*x^2) )/2.at n=8A052735
• OU-Sigma multiperfect numbers.at n=14A091321
• Number of alternating runs in all permutations of [n] (the permutation 732569148 has four alternating runs: 732, 2569, 91 and 148).at n=7A097971
• Triangle read by rows: T(n,k) = n!*Pell(n-k+1)/k!, where Pell(n)=A000129(n).at n=28A110327
• Numbers k for which sigma(k)/k - 2/7 is an integer.at n=4A218409
• Numbers m such that A357761(m) < A357761(k) for all k < m.at n=30A357764
• a(n) is the smallest integer that has exactly n divisors whose decimal digits are in strictly decreasing order.at n=44A358100
• Numbers k with record values of the ratio A000005(k)/A246600(k) between the total number of divisors of k and the number of divisors d of k such that the bitwise OR of k and d is equal to k.at n=29A361937
• Terms of A363690 with a record number of divisors.at n=30A363692
• Triangle read by rows: coefficients in expansion of Asveld's polynomials Pi_j(x).at n=48A365962
• Expansion of e.g.f. (1/x) * Series_Reversion( x*(1 + x^3*log(1-x)) ).at n=9A370995
• E.g.f. A(x) satisfies A(x) = exp( x^3*A(x)^3 / (1 - x*A(x))^2 ).at n=8A387950