A334533 - cp's OEIS frontend

A334533 Numbers k such that k*sod(k) and k/sod(k) are both palindromes, where sod(k) denotes the sum of digits of k (A007953).

n	a(n)
1	1
2	2
3	3
4	42
5	26664
6	2640264
7	26400264
8	264000264
9	2640000264
10	26400000264
11	264000000264
12	2640000000264
13	26400000000264
14	144689999986441
15	154698898896451
16	226589999985622
17	234779999977432
18	243788999887342
19	244788898887442
20	253698898896352
21	254689878986452

[1, 2, 3, 42, 26664, 2640264, 26400264, 264000264, 2640000264, 26400000264, 264000000264, 2640000000264, 26400000000264, 144689999986441, 154698898896451, 226589999985622, 234779999977432, 243788999887342, 244788898887442, 253698898896352, 254689878986452]

cp's OEIS Frontend

A334533 Numbers k such that k*sod(k) and k/sod(k) are both palindromes, where sod(k) denotes the sum of digits of k (A007953).

Table of values

List of values