70315

Appears in sequences

• a(n) = [ (3rd elementary symmetric function of S(n))/(first elementary symmetric function of S(n)) ], where S(n) = {first n+2 positive integers congruent to 1 mod 3}.at n=19A024220
• Numbers k that divide 8^k + 7^k + 6^k + 5^k + 4^k + 3^k + 2^k.at n=45A057490
• Integers k that divide LS(k), where LS is the "Look and Say" function (A045918).at n=27A079342
• Integers k such that k divides LS(k) or LS(k) divides k, where LS is the "Look and Say" function (A045918).at n=29A110744
• Numbers k such that phi(k)*sigma(k) is a cube.at n=22A114077
• Odd numbers k > 1 such that A309906(k-1) < A309906(k) > A309906(k+1) < A309906(k+2) > A309906(k+3).at n=14A349938
• E.g.f. A(x) satisfies A(x) = exp( x*A(x) / (1-x*A(x))^2 ) * (1-x*A(x)).at n=6A390062