a(1) = 1; thereafter a(n+1) = T(8*a(n)), where T(i) = i*(i+1)/2 is the i-th triangular number.
A185097
a(1) = 1; thereafter a(n+1) = T(8*a(n)), where T(i) = i*(i+1)/2 is the i-th triangular number.
Terms
- a(0) =1a(1) =36a(2) =41616a(3) =55420693056
External references
- oeis: A185097