208524

Appears in sequences

• Denominators of approximations to e.at n=41A006259
• Denominators of convergents to e.at n=15A007677
• Values of k for which there are no empty intervals when fractional_part(m*e) for m = 1, ..., k is plotted along [ 0, 1 ] subdivided into k equal regions.at n=17A036413
• Permanent of (0,1)-matrix of size n X (n+d) with d=5 and n-1 zeros not on a line.at n=5A090015
• a(3n) = a(3n-1) + a(3n-2), a(3n+1) = 2n*a(3n) + a(3n-1), a(3n+2) = a(3n+1) + a(3n).at n=17A113874
• Denominators of "Farey fraction" approximations to e.at n=43A119015
• Number triangle with row sums given by quadruple factorial numbers A001813.at n=22A168422
• G.f.: Sum_{n>=0} x^(n*(n+1)/2) / Product_{k=1..n} (1 - k*x^k).at n=31A204856
• Least splitter of f(n) and f(n+1), where s(1) = 1, s(2) = 1, s(n) = s(n-1) + s(n-2)/(n-2) and f(n) = n/(n - s(n)).at n=11A227773
• Denominators of the other-side convergents to e.at n=14A259588
• Numbers k such that there exists at least an integer in the interval [e*k - 1/k, e*k + 1/k] where e = 2.71828... is Euler's number.at n=21A265742
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + n*b(n), where a(0) = 2, a(1) = 3, b(0) = 1, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=19A296296
• Positive integers j of the form Sum_{i=1..k} b(i)c(i), i.e., not in A297345 such that there is only one set {c(1),...,c(k)} where the c(i) are drawn with repetition from {b(0),...,b(k)} and b(k+1) is the smallest element of A297345 that is larger than j, where b() is A297345.at n=50A300730
• a(n) is the n-digit denominator of the fraction h/k with h and k coprime positive integers at which abs(h/k-e) is minimal.at n=5A368621