A259316 - cp's OEIS frontend

A259316 Numbers n such that the result of n multiplied by the reversal of n can be split into two numbers a and b of equal length (if the length is odd a leading zero is allowed), where a + b equals n (b can also have a leading zero).

n	a(n)
1	1
2	9
3	54
4	55
5	99
6	999
7	2727
8	3222
9	7777
10	8272
11	9999
12	12466
13	22222
14	25912
15	39114
16	75880
17	87777
18	87804
19	93357
20	99999
21	124660
22	142857
23	181818
24	185185
25	189189
26	230769
27	231868
28	324675
29	390313
30	412587
31	428274
32	443926
33	503866
34	513513
35	533169
36	568468

[1, 9, 54, 55, 99, 999, 2727, 3222, 7777, 8272, 9999, 12466, 22222, 25912, 39114, 75880, 87777, 87804, 93357, 99999, 124660, 142857, 181818, 185185, 189189, 230769, 231868, 324675, 390313, 412587, 428274, 443926, 503866, 513513, 533169, 568468]

cp's OEIS Frontend

A259316 Numbers n such that the result of n multiplied by the reversal of n can be split into two numbers a and b of equal length (if the length is odd a leading zero is allowed), where a + b equals n (b can also have a leading zero).

Table of values

List of values