48160

Appears in sequences

• Expansion of e.g.f. arcsin(log(x+1) - arctan(x)).at n=9A013247
• Expansion of e.g.f. sinh(log(x+1) - arctan(x)).at n=9A013251
• Determinant of the n X n matrix whose element (i,j) equals f(|i-j|) where f(n) is 1 if the sum of middle divisors (A071090) > 0, else 0.at n=29A071548