A083147 - cp's OEIS frontend

A083147 a(1) = 1, 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	1
2	2
3	4
4	8
5	232
6	464
7	42224
8	84448
9	4053504
10	44588544
11	4057557504
12	4053504004053504
13	44588544044588544
14	4057557508057557504
15	401341233733484337332143104
16	40130110362352332623325326301103104
17	441431213985875658856578589312134144

[1, 2, 4, 8, 232, 464, 42224, 84448, 4053504, 44588544, 4057557504, 4053504004053504, 44588544044588544, 4057557508057557504, 401341233733484337332143104, 40130110362352332623325326301103104, 441431213985875658856578589312134144]

cp's OEIS Frontend

A083147 a(1) = 1, 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