59293

Appears in sequences

• sigma_5(n), the sum of the 5th powers of the divisors of n.at n=8A001160
• Numerator of sum of -5th powers of divisors of n.at n=8A017673
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 17.at n=30A031605
• a(n) = 1^n + 3^n + 9^n.at n=5A034513
• Sum of 5th powers of odd divisors of n.at n=8A051002
• Sum of 5th powers of odd divisors of n.at n=17A051002
• Sum of 5th powers of odd divisors of n.at n=35A051002
• Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 23.at n=34A051988
• Intrinsic 11-palindromes: n is an intrinsic k-palindrome if it is a k-digit palindrome in some base.at n=33A060948
• Consider sequence of fractions A066657/A066658 produced by ratios of terms in A066720; let m = smallest integer such that all fractions 1/n, 2/n, ..., (n-1)/n have appeared when we reach A066720(m) = k; sequence gives values of m; set a(n) = -1 if some fraction i/n never appears.at n=28A066849
• Numbers of the form (3^{mr}-1)/(3^r-1) for positive integers m, r.at n=25A076270
• Sum of 5th powers of the divisors of odd numbers: a(n) = sigma_5(2n-1).at n=4A081864
• Triangular array, read by rows: T(n,k) = Sum_{d|n} d^k, 0 <= k < n.at n=41A082771
• a(n) = Sum_{0<d|n, n/d odd} d^5.at n=8A096960
• Numbers n with following property: suppose n^6 = d1 d2 d3 ...dk in decimal; then d1! + d2! + ... + dk! is a square.at n=24A130688
• Primitive numbers n such that 1/n is in the Cantor set.at n=35A173793
• Irregular triangle in which row n has primitive numbers k such that 1/k is in the Cantor set and the fraction 1/k has period n.at n=33A173800
• Least primitive number k such that 1/k is in the Cantor set and the fraction 1/k has period n in base 3.at n=14A175174
• Sum of 5th powers of proper divisors of n.at n=26A279364
• a(n) = Sum_{d|n} (-1)^(n/d+1)*d^5.at n=8A284926