A282167 - cp's OEIS frontend

A282167 a(n) is the minimal sum of a positive integer sequence of length n with no duplicate substrings (forward or backward) of length greater than 1, and no self-adjacent terms.

n	a(n)
1	1
2	3
3	6
4	7
5	11
6	13
7	17
8	19
9	25
10	27
11	31
12	35
13	39
14	45
15	47
16	53
17	57
18	63
19	67
20	73
21	77
22	83
23	87
24	95
25	99
26	105
27	111
28	117
29	123
30	129
31	135
32	141
33	149
34	153
35	161
36	167
37	175
38	181
39	189
40	195
41	203
42	209
43	217
44	223
45	231
46	237
47	247
48	253
49	261
50	269
51	277
52	285
53	293
54	301
55	309
56	317
57	325
58	333
59	341
60	351
61	357
62	367
63	375
64	385
65	393
66	403
67	411
68	421
69	429
70	439

[1, 3, 6, 7, 11, 13, 17, 19, 25, 27, 31, 35, 39, 45, 47, 53, 57, 63, 67, 73, 77, 83, 87, 95, 99, 105, 111, 117, 123, 129, 135, 141, 149, 153, 161, 167, 175, 181, 189, 195, 203, 209, 217, 223, 231, 237, 247, 253, 261, 269, 277, 285, 293, 301, 309, 317, 325, 333, 341, 351, 357, 367, 375, 385, 393, 403, 411, 421, 429, 439]

cp's OEIS Frontend

A282167 a(n) is the minimal sum of a positive integer sequence of length n with no duplicate substrings (forward or backward) of length greater than 1, and no self-adjacent terms.

Table of values

List of values

n	a(n)
1	1
2	3
3	6
4	7
5	11
6	13
7	17
8	19
9	25
10	27
11	31
12	35
13	39
14	45
15	47
16	53
17	57
18	63
19	67
20	73
21	77
22	83
23	87
24	95
25	99
26	105
27	111
28	117
29	123
30	129
31	135
32	141
33	149
34	153
35	161
36	167
37	175
38	181
39	189
40	195
41	203
42	209
43	217
44	223
45	231
46	237
47	247
48	253
49	261
50	269
51	277
52	285
53	293
54	301
55	309
56	317
57	325
58	333
59	341
60	351
61	357
62	367
63	375
64	385
65	393
66	403
67	411
68	421
69	429
70	439

n	a(n)
1	1
2	3
3	6
4	7
5	11
6	13
7	17
8	19
9	25
10	27
11	31
12	35
13	39
14	45
15	47
16	53
17	57
18	63
19	67
20	73
21	77
22	83
23	87
24	95
25	99
26	105
27	111
28	117
29	123
30	129
31	135
32	141
33	149
34	153
35	161
36	167
37	175
38	181
39	189
40	195
41	203
42	209
43	217
44	223
45	231
46	237
47	247
48	253
49	261
50	269
51	277
52	285
53	293
54	301
55	309
56	317
57	325
58	333
59	341
60	351
61	357
62	367
63	375
64	385
65	393
66	403
67	411
68	421
69	429
70	439

n	a(n)
1	1
2	3
3	6
4	7
5	11
6	13
7	17
8	19
9	25
10	27
11	31
12	35
13	39
14	45
15	47
16	53
17	57
18	63
19	67
20	73
21	77
22	83
23	87
24	95
25	99
26	105
27	111
28	117
29	123
30	129
31	135
32	141
33	149
34	153
35	161
36	167
37	175
38	181
39	189
40	195
41	203
42	209
43	217
44	223
45	231
46	237
47	247
48	253
49	261
50	269
51	277
52	285
53	293
54	301
55	309
56	317
57	325
58	333
59	341
60	351
61	357
62	367
63	375
64	385
65	393
66	403
67	411
68	421
69	429
70	439