A342331 - cp's OEIS frontend

A342331 Number of compositions of n where each part after the first is either twice or half the prior part.

n	a(n)
0	1
1	1
2	1
3	3
4	2
5	2
6	5
7	4
8	3
9	9
10	6
11	4
12	14
13	9
14	8
15	22
16	15
17	11
18	37
19	24
20	21
21	58
22	40
23	30
24	95
25	67
26	53
27	157
28	114
29	85
30	264
31	187
32	147
33	428
34	315
35	244
36	732
37	527
38	410
39	1207
40	892
41	681
42	2034
43	1490
44	1155
45	3416
46	2508
47	1927
48	5731
49	4215
50	3259
51	9597
52	7091
53	5454
54	16175
55	11914
56	9194
57	27134
58	20033
59	15425
60	45649
61	33672
62	25967
63	76714

[1, 1, 1, 3, 2, 2, 5, 4, 3, 9, 6, 4, 14, 9, 8, 22, 15, 11, 37, 24, 21, 58, 40, 30, 95, 67, 53, 157, 114, 85, 264, 187, 147, 428, 315, 244, 732, 527, 410, 1207, 892, 681, 2034, 1490, 1155, 3416, 2508, 1927, 5731, 4215, 3259, 9597, 7091, 5454, 16175, 11914, 9194, 27134, 20033, 15425, 45649, 33672, 25967, 76714]

cp's OEIS Frontend

A342331 Number of compositions of n where each part after the first is either twice or half the prior part.

Table of values

List of values