A350355 - cp's OEIS frontend

A350355 Numbers k such that the k-th composition in standard order is up/down.

n	a(n)
1	0
2	1
3	2
4	4
5	6
6	8
7	12
8	13
9	16
10	20
11	24
12	25
13	32
14	40
15	41
16	48
17	49
18	50
19	54
20	64
21	72
22	80
23	81
24	82
25	96
26	97
27	98
28	102
29	108
30	109
31	128
32	144
33	145
34	160
35	161
36	162
37	166
38	192
39	193
40	194
41	196
42	198
43	204
44	205
45	216
46	217
47	256
48	272
49	288
50	289
51	290
52	320
53	321
54	322
55	324
56	326
57	332
58	333
59	384

[0, 1, 2, 4, 6, 8, 12, 13, 16, 20, 24, 25, 32, 40, 41, 48, 49, 50, 54, 64, 72, 80, 81, 82, 96, 97, 98, 102, 108, 109, 128, 144, 145, 160, 161, 162, 166, 192, 193, 194, 196, 198, 204, 205, 216, 217, 256, 272, 288, 289, 290, 320, 321, 322, 324, 326, 332, 333, 384]

cp's OEIS Frontend

A350355 Numbers k such that the k-th composition in standard order is up/down.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	4
5	6
6	8
7	12
8	13
9	16
10	20
11	24
12	25
13	32
14	40
15	41
16	48
17	49
18	50
19	54
20	64
21	72
22	80
23	81
24	82
25	96
26	97
27	98
28	102
29	108
30	109
31	128
32	144
33	145
34	160
35	161
36	162
37	166
38	192
39	193
40	194
41	196
42	198
43	204
44	205
45	216
46	217
47	256
48	272
49	288
50	289
51	290
52	320
53	321
54	322
55	324
56	326
57	332
58	333
59	384

n	a(n)
1	0
2	1
3	2
4	4
5	6
6	8
7	12
8	13
9	16
10	20
11	24
12	25
13	32
14	40
15	41
16	48
17	49
18	50
19	54
20	64
21	72
22	80
23	81
24	82
25	96
26	97
27	98
28	102
29	108
30	109
31	128
32	144
33	145
34	160
35	161
36	162
37	166
38	192
39	193
40	194
41	196
42	198
43	204
44	205
45	216
46	217
47	256
48	272
49	288
50	289
51	290
52	320
53	321
54	322
55	324
56	326
57	332
58	333
59	384

n	a(n)
1	0
2	1
3	2
4	4
5	6
6	8
7	12
8	13
9	16
10	20
11	24
12	25
13	32
14	40
15	41
16	48
17	49
18	50
19	54
20	64
21	72
22	80
23	81
24	82
25	96
26	97
27	98
28	102
29	108
30	109
31	128
32	144
33	145
34	160
35	161
36	162
37	166
38	192
39	193
40	194
41	196
42	198
43	204
44	205
45	216
46	217
47	256
48	272
49	288
50	289
51	290
52	320
53	321
54	322
55	324
56	326
57	332
58	333
59	384