69071

Appears in sequences

• Number of inequivalent binary [ n,3 ] codes of dimension <= 3 without zero columns.at n=40A034337
• Numbers k that divide 10^k + 7^k.at n=5A045606
• Numbers k such that Euler phi(k) / Carmichael lambda(k) = 34.at n=12A066698
• Numerator of partial sums of a certain series. First member (m = 2) of a family.at n=5A101028
• Numerator of Sum_{k=1..n} (-1)^(k+1) * 1/(k*(k+1)).at n=11A125683
• Numerator of sum of fractions A182972(k) / A182973(k) such that A182972(k) + A182973(k) = n.at n=10A245677
• Total sum of the left-to-right maxima in all compositions of n into distinct parts.at n=23A336771