A335238 - cp's OEIS frontend

A335238 Numbers k such that the distinct parts of the k-th composition in standard order (A066099) are not pairwise coprime, where a singleton is not coprime unless it is (1).

n	a(n)
1	0
2	2
3	4
4	8
5	10
6	16
7	32
8	34
9	36
10	40
11	42
12	64
13	69
14	70
15	81
16	88
17	98
18	104
19	128
20	130
21	136
22	138
23	139
24	141
25	142
26	160
27	162
28	163
29	168
30	170
31	177
32	184
33	197
34	198
35	209
36	216
37	226
38	232
39	256
40	260
41	261
42	262
43	274
44	276
45	277
46	278
47	279
48	282
49	283
50	285
51	286
52	288
53	290
54	292
55	296
56	321

[0, 2, 4, 8, 10, 16, 32, 34, 36, 40, 42, 64, 69, 70, 81, 88, 98, 104, 128, 130, 136, 138, 139, 141, 142, 160, 162, 163, 168, 170, 177, 184, 197, 198, 209, 216, 226, 232, 256, 260, 261, 262, 274, 276, 277, 278, 279, 282, 283, 285, 286, 288, 290, 292, 296, 321]

cp's OEIS Frontend

A335238 Numbers k such that the distinct parts of the k-th composition in standard order (A066099) are not pairwise coprime, where a singleton is not coprime unless it is (1).

Table of values

List of values

n	a(n)
1	0
2	2
3	4
4	8
5	10
6	16
7	32
8	34
9	36
10	40
11	42
12	64
13	69
14	70
15	81
16	88
17	98
18	104
19	128
20	130
21	136
22	138
23	139
24	141
25	142
26	160
27	162
28	163
29	168
30	170
31	177
32	184
33	197
34	198
35	209
36	216
37	226
38	232
39	256
40	260
41	261
42	262
43	274
44	276
45	277
46	278
47	279
48	282
49	283
50	285
51	286
52	288
53	290
54	292
55	296
56	321

n	a(n)
1	0
2	2
3	4
4	8
5	10
6	16
7	32
8	34
9	36
10	40
11	42
12	64
13	69
14	70
15	81
16	88
17	98
18	104
19	128
20	130
21	136
22	138
23	139
24	141
25	142
26	160
27	162
28	163
29	168
30	170
31	177
32	184
33	197
34	198
35	209
36	216
37	226
38	232
39	256
40	260
41	261
42	262
43	274
44	276
45	277
46	278
47	279
48	282
49	283
50	285
51	286
52	288
53	290
54	292
55	296
56	321

n	a(n)
1	0
2	2
3	4
4	8
5	10
6	16
7	32
8	34
9	36
10	40
11	42
12	64
13	69
14	70
15	81
16	88
17	98
18	104
19	128
20	130
21	136
22	138
23	139
24	141
25	142
26	160
27	162
28	163
29	168
30	170
31	177
32	184
33	197
34	198
35	209
36	216
37	226
38	232
39	256
40	260
41	261
42	262
43	274
44	276
45	277
46	278
47	279
48	282
49	283
50	285
51	286
52	288
53	290
54	292
55	296
56	321