A213879 - cp's OEIS frontend

A213879 Positive palindromes that are not the sum of two positive palindromes.

n	a(n)
1	1
2	111
3	131
4	141
5	151
6	161
7	171
8	181
9	191
10	1331
11	1441
12	1551
13	1661
14	1771
15	1881
16	1991
17	10301
18	10401
19	10501
20	10601
21	10701
22	10801
23	10901
24	11111
25	11211
26	11311
27	11411
28	11511
29	11611
30	11711
31	11811
32	11911
33	12021
34	12121
35	12321
36	12421
37	12521
38	12621
39	12721
40	12821

[1, 111, 131, 141, 151, 161, 171, 181, 191, 1331, 1441, 1551, 1661, 1771, 1881, 1991, 10301, 10401, 10501, 10601, 10701, 10801, 10901, 11111, 11211, 11311, 11411, 11511, 11611, 11711, 11811, 11911, 12021, 12121, 12321, 12421, 12521, 12621, 12721, 12821]

cp's OEIS Frontend

A213879 Positive palindromes that are not the sum of two positive palindromes.

Table of values

List of values