19316

Appears in sequences

• Numbers k whose decimal representation, read as a base-19 value and divided by k, yields an integer.at n=15A032569
• Numerators of continued fraction convergents to sqrt(875).at n=12A042690
• Denominators of convergents to Pi by Farey fractions.at n=38A063673
• Row sums of triangle A097084, in which the n-th diagonal equals the n-th row transformed by triangle A008459 (squared binomial coefficients).at n=10A097085
• Sum of all n-digit Narcissistic numbers.at n=3A131994
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (0, 0, 1), (0, 1, -1), (1, 0, -1), (1, 1, -1)}.at n=9A149107
• Number of n X 5 0..1 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.at n=9A223835
• Number of (n+2) X (1+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00000001 00010101 or 01010101.at n=11A261285
• Numbers n such that Bernoulli number B_{n} has denominator 690.at n=31A272186
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 517", based on the 5-celled von Neumann neighborhood.at n=14A282825
• Least k such that there are exactly A003586(n) ways to choose a binary index of each binary index of k.at n=37A368111
• Sorted positions of first appearances in A368109 (number of ways to choose a binary index of each binary index).at n=39A368112
• Sum of binary ranks of all strict integer partitions of n, where the binary rank of a partition y is given by Sum_i 2^(y_i-1).at n=14A372888
• a(n) = [x^n] Product_{k=1..n} 1/(1 - k^2*x)^n.at n=3A384092