58032

Appears in sequences

• Expansion of e.g.f.: arcsin(arcsin(x)+log(x+1))=2*x-1/2!*x^2+11/3!*x^3-30/4!*x^4+471/5!*x^5...at n=7A012900
• Number of (w,x,y,z) with all terms in {1,...,n} and 2|w-x|<=n+|y-z|.at n=16A212690
• The Wiener index of the ortho-polyphenyl chain with n hexagons (see the Dou et al. and the Deng references).at n=15A216108
• Numbers k for which sigma(k)/k - 1/9 is an integer.at n=2A218414
• Larger member of primitive friendly pairs ordered by smallest maximal element.at n=35A233039
• a(n) = n*(n+1)*(11*n +10)/6.at n=31A254407
• Numbers k such that 3*10^k - 23 is prime.at n=19A295400
• Solution of the complementary equation a(n) = a(1)*b(n-2) + a(2)*b(n-3) + ... + a(n-1)*b(0), where a(0) = 1, a(1) = 3, b(0) = 2, and (a(n)) and (b(n)) are increasing complementary sequences.at n=9A296215
• Nonunitary doubly superperfect numbers: numbers k such that nusigma(nusigma(k)) = 2*k, where nusigma(k) = sigma(k) - usigma(k) is the sum of nonunitary divisors of k (A048146).at n=2A329881
• Numbers that are the sum of four third powers in exactly eight ways.at n=34A345153
• Number of unrooted hypermaps of genus 4 with n darts.at n=1A356694
• Number of dessins d'enfants D(n,g) with n edges of genus g, read by rows.at n=29A380453