The first integer that produces a sequence of n terms without repetition. Any term of the sequence, after the first one, is the sum of PD and SD of the previous term of the sequence. PD is the product of the nonzero digits; SD is the sum of the digits.
A235031
The first integer that produces a sequence of n terms without repetition. Any term of the sequence, after the first one, is the sum of PD and SD of the previous term of the sequence. PD is the product of the nonzero digits; SD is the sum of the digits.
Terms
- a(0) =2a(1) =1a(2) =26a(3) =28a(4) =66a(5) =289a(6) =579a(7) =3468a(8) =23889a(9) =2366688a(10) =45579999a(11) =356688888888
External references
- oeis: A235031