43830

Appears in sequences

• Numbers n which divide the periodic part (with zeros at end) of the decimal expansion of 1/n.at n=20A179267
• Number of (w,x,y,z) with all terms in {1,...,n} and 2|w-x|=|x-y|+|y-z|.at n=40A212575
• Numbers k such that the sum of the first k consecutive prime numbers is pandigital (includes all 10 digits at least once).at n=19A228468
• G.f. A(x) satisfies A(x) = ( 1 + x / (1 - x*A(x)^(3/2)) )^2.at n=9A378730