A181781 - OEIS

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A181781 as a simple table

n	a(n)
1	21
2	25
3	33
4	45
5	49
6	57
7	65
8	69
9	77
10	85
11	91
12	93
13	105
14	117
15	121
16	125
17	129
18	133
19	141
20	145
21	153
22	161
23	165
24	169
25	175
26	177
27	185
28	189
29	201
30	205
31	209
32	213
33	217
34	221
35	225
36	231
37	237
38	245
39	247
40	249
41	253
42	259
43	261
44	265
45	273
46	285
47	289
48	297
49	301
50	305
51	309
52	321
53	325
54	329
55	333
56	341
57	343
58	345

[21,25,33,45,49,57,65,69,77,85,91,93,105,117,121, 125,129,133,141,145,153,161,165,169,175,177,185, 189,201,205,209,213,217,221,225,231,237,245,247, 249,253,259,261,265,273,285,289,297,301,305,309, 321,325,329,333,341,343,345]

n	a(n)
1	21
2	25
3	33
4	45
5	49
6	57
7	65
8	69
9	77
10	85
11	91
12	93
13	105
14	117
15	121
16	125
17	129
18	133
19	141
20	145
21	153
22	161
23	165
24	169
25	175
26	177
27	185
28	189
29	201
30	205
31	209
32	213
33	217
34	221
35	225
36	231
37	237
38	245
39	247
40	249
41	253
42	259
43	261
44	265
45	273
46	285
47	289
48	297
49	301
50	305
51	309
52	321
53	325
54	329
55	333
56	341
57	343
58	345

n	a(n)
1	21
2	25
3	33
4	45
5	49
6	57
7	65
8	69
9	77
10	85
11	91
12	93
13	105
14	117
15	121
16	125
17	129
18	133
19	141
20	145
21	153
22	161
23	165
24	169
25	175
26	177
27	185
28	189
29	201
30	205
31	209
32	213
33	217
34	221
35	225
36	231
37	237
38	245
39	247
40	249
41	253
42	259
43	261
44	265
45	273
46	285
47	289
48	297
49	301
50	305
51	309
52	321
53	325
54	329
55	333
56	341
57	343
58	345

n	a(n)
1	21
2	25
3	33
4	45
5	49
6	57
7	65
8	69
9	77
10	85
11	91
12	93
13	105
14	117
15	121
16	125
17	129
18	133
19	141
20	145
21	153
22	161
23	165
24	169
25	175
26	177
27	185
28	189
29	201
30	205
31	209
32	213
33	217
34	221
35	225
36	231
37	237
38	245
39	247
40	249
41	253
42	259
43	261
44	265
45	273
46	285
47	289
48	297
49	301
50	305
51	309
52	321
53	325
54	329
55	333
56	341
57	343
58	345