a(1) = 1; a(n) = 5 + n * Sum_{k=1..n-1} a(k).
A383437
a(1) = 1; a(n) = 5 + n * Sum_{k=1..n-1} a(k).
Terms
- a(0) =1a(1) =7a(2) =29a(3) =153a(4) =955a(5) =6875a(6) =56145a(7) =513325a(8) =5197415a(9) =57749055a(10) =698763565a(11) =9147450305a(12) =128826591795
External references
- oeis: A383437