2.10.113 Number Series

Condition: explore the rows for convergence: 1) \ (\ sum_ {n = 1}^{\ infty} \ frac {2^{n+1}} {(3 n) {n}} \), 2) \ (\ sum_ {n = 1 \ \ infty} n \ tan \ tan \ tan \ frac {\ pi} {2^{n+1}} \).