A344432 - cp's OEIS frontend

A344432 a(n) = Sum_{k=1..n} mu(k) * 2^(n - k).

n	a(n)
0	0
1	1
2	1
3	1
4	2
5	3
6	7
7	13
8	26
9	52
10	105
11	209
12	418
13	835
14	1671
15	3343
16	6686
17	13371
18	26742
19	53483
20	106966
21	213933
22	427867
23	855733
24	1711466
25	3422932
26	6845865
27	13691730
28	27383460
29	54766919
30	109533837
31	219067673
32	438135346
33	876270693
34	1752541387
35	3505082775
36	7010165550

[0, 1, 1, 1, 2, 3, 7, 13, 26, 52, 105, 209, 418, 835, 1671, 3343, 6686, 13371, 26742, 53483, 106966, 213933, 427867, 855733, 1711466, 3422932, 6845865, 13691730, 27383460, 54766919, 109533837, 219067673, 438135346, 876270693, 1752541387, 3505082775, 7010165550]

cp's OEIS Frontend

A344432 a(n) = Sum_{k=1..n} mu(k) * 2^(n - k).

Table of values

List of values