A083151 - cp's OEIS frontend

A083151 a(1) = 5, a(n) = smallest nontrivial palindromic multiple of a(n-1). a(n) is not equal to a(n-1) or a concatenation of a(n-1) with itself.

n	a(n)
1	5
2	505
3	5555
4	505505
5	5005005005
6	55055055055
7	50155155155105
8	5464353998993534645
9	541025148469303964841520145
10	513016415223221833242338122322514610315
11	5130164152232218845439796446446979345488122322514610315

[5, 505, 5555, 505505, 5005005005, 55055055055, 50155155155105, 5464353998993534645, 541025148469303964841520145, 513016415223221833242338122322514610315, 5130164152232218845439796446446979345488122322514610315]

cp's OEIS Frontend

A083151 a(1) = 5, a(n) = smallest nontrivial palindromic multiple of a(n-1). a(n) is not equal to a(n-1) or a concatenation of a(n-1) with itself.

Table of values

List of values