a(1) = 18; a(n) = 3*a(n - 1) + 2*sqrt(2*a(n - 1)*(a(n - 1) - 14)) - 14 for n > 1.
A275155
a(1) = 18; a(n) = 3*a(n - 1) + 2*sqrt(2*a(n - 1)*(a(n - 1) - 14)) - 14 for n > 1.
Terms
- a(0) =18a(1) =64a(2) =338a(3) =1936a(4) =11250a(5) =65536a(6) =381938a(7) =2226064a(8) =12974418a(9) =75620416a(10) =440748050a(11) =2568867856a(12) =14972459058a(13) =87265886464a(14) =508622859698
External references
- oeis: A275155