A075815 - cp's OEIS frontend

A075815 Palindromic odd composite numbers with an odd number of prime factors (counted with multiplicity).

n	a(n)
1	99
2	171
3	333
4	343
5	363
6	555
7	575
8	595
9	747
10	777
11	909
12	969
13	1001
14	1221
15	1331
16	1551
17	1771
18	3333
19	3553
20	5335
21	5445
22	5555
23	5665
24	5775
25	5885
26	5995
27	7337
28	7557
29	7667
30	7777
31	7887
32	9009
33	9339
34	9559
35	9669
36	9779
37	9889
38	11211
39	11511
40	11711
41	11811
42	12121

[99, 171, 333, 343, 363, 555, 575, 595, 747, 777, 909, 969, 1001, 1221, 1331, 1551, 1771, 3333, 3553, 5335, 5445, 5555, 5665, 5775, 5885, 5995, 7337, 7557, 7667, 7777, 7887, 9009, 9339, 9559, 9669, 9779, 9889, 11211, 11511, 11711, 11811, 12121]

cp's OEIS Frontend

A075815 Palindromic odd composite numbers with an odd number of prime factors (counted with multiplicity).

Table of values

List of values