a(1) = 1; for n>1, a(n) = (a(n-1)+1)^n.A116944a(1) = 1; for n>1, a(n) = (a(n-1)+1)^n.Terms a(0) =1a(1) =4a(2) =125a(3) =252047376External referencesoeis: A116944