74053

Appears in sequences

• Numbers n such that p(n) is congruent to n mod sigma(n), where p(n) denotes the n-th prime.at n=8A066688
• a(n) = Sum_{i=0..n} (-2)^(n-i)*B(i)*binomial(n,i) where B(n) = Bell numbers A000110(n).at n=12A126617
• a(n) = 68*n^2 + 1.at n=33A158732
• Number of 5 X n 0..1 arrays with rows and antidiagonals unimodal and columns nondecreasing.at n=9A224149