A355321 - cp's OEIS frontend

A355321 Numbers k such that the k-th composition in standard order has the same number of even parts as odd.

n	a(n)
1	0
2	5
3	6
4	17
5	18
6	20
7	24
8	43
9	45
10	46
11	53
12	54
13	58
14	65
15	66
16	68
17	72
18	80
19	96
20	139
21	141
22	142
23	149
24	150
25	154
26	163
27	165
28	166
29	169
30	172
31	177
32	178
33	180
34	184
35	197
36	198
37	202
38	209
39	210
40	212
41	216
42	226
43	232
44	257
45	258
46	260
47	264
48	272
49	288
50	320
51	343
52	347
53	349
54	350
55	363
56	365

[0, 5, 6, 17, 18, 20, 24, 43, 45, 46, 53, 54, 58, 65, 66, 68, 72, 80, 96, 139, 141, 142, 149, 150, 154, 163, 165, 166, 169, 172, 177, 178, 180, 184, 197, 198, 202, 209, 210, 212, 216, 226, 232, 257, 258, 260, 264, 272, 288, 320, 343, 347, 349, 350, 363, 365]

cp's OEIS Frontend

A355321 Numbers k such that the k-th composition in standard order has the same number of even parts as odd.

Table of values

List of values

n	a(n)
1	0
2	5
3	6
4	17
5	18
6	20
7	24
8	43
9	45
10	46
11	53
12	54
13	58
14	65
15	66
16	68
17	72
18	80
19	96
20	139
21	141
22	142
23	149
24	150
25	154
26	163
27	165
28	166
29	169
30	172
31	177
32	178
33	180
34	184
35	197
36	198
37	202
38	209
39	210
40	212
41	216
42	226
43	232
44	257
45	258
46	260
47	264
48	272
49	288
50	320
51	343
52	347
53	349
54	350
55	363
56	365

n	a(n)
1	0
2	5
3	6
4	17
5	18
6	20
7	24
8	43
9	45
10	46
11	53
12	54
13	58
14	65
15	66
16	68
17	72
18	80
19	96
20	139
21	141
22	142
23	149
24	150
25	154
26	163
27	165
28	166
29	169
30	172
31	177
32	178
33	180
34	184
35	197
36	198
37	202
38	209
39	210
40	212
41	216
42	226
43	232
44	257
45	258
46	260
47	264
48	272
49	288
50	320
51	343
52	347
53	349
54	350
55	363
56	365

n	a(n)
1	0
2	5
3	6
4	17
5	18
6	20
7	24
8	43
9	45
10	46
11	53
12	54
13	58
14	65
15	66
16	68
17	72
18	80
19	96
20	139
21	141
22	142
23	149
24	150
25	154
26	163
27	165
28	166
29	169
30	172
31	177
32	178
33	180
34	184
35	197
36	198
37	202
38	209
39	210
40	212
41	216
42	226
43	232
44	257
45	258
46	260
47	264
48	272
49	288
50	320
51	343
52	347
53	349
54	350
55	363
56	365