30896

Appears in sequences

• Expansion of e.g.f. arcsin(tan(x) * log(x+1)).at n=8A012353
• Expansion of e.g.f. sinh(tan(x) * log(x+1)).at n=8A012355
• Expansion of 2/(1-2x+sqrt(1-4x+4x^3)).at n=10A087626
• Number of length 3+1 0..n arrays with the sum of adjacent differences multiplied by some arrangement of +-1 equal to zero.at n=22A250168
• Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=28A259003
• Values of n such that prime(n) does not divide any 10-digit pandigital number (i.e. any value in A050278).at n=13A292703
• Number of bitriangular permutations (row sums of A272644 if that triangle is prefixed with two rows for n=0,1).at n=9A297195
• a(n) = n * Sum_{d|n} sigma(d)^3 / d.at n=24A344043
• a(n) is the unique solution to A323410(x) = A362185(n).at n=30A362211