A353578 - OEIS

A353578 as a simple table

n	a(n)
1	3
2	7
3	15
4	27
5	31
6	51
7	55
8	59
9	63
10	103
11	111
12	115
13	119
14	123
15	127
16	207
17	219
18	223
19	231
20	239
21	243
22	247
23	251
24	255
25	411
26	415
27	435
28	439
29	443
30	447
31	463
32	475
33	479
34	487
35	495
36	499
37	503
38	507
39	511
40	819
41	823
42	827
43	831
44	871
45	879
46	883
47	887
48	891
49	895
50	923
51	927
52	947
53	951
54	955
55	959
56	975
57	987
58	991
59	999
60	1007
61	1011
62	1015
63	1019
64	1023

[3,7,15,27,31,51,55,59,63,103,111,115,119,123,127, 207,219,223,231,239,243,247,251,255,411,415,435, 439,443,447,463,475,479,487,495,499,503,507,511, 819,823,827,831,871,879,883,887,891,895,923,927, 947,951,955,959,975,987,991,999,1007,1011,1015, 1019,1023]