A112027 - cp's OEIS frontend

A112027 a(1)=1; then successively add 1, divide by 2, add 2 and then total up the last 4 terms.

n	a(n)
1	1
2	2
3	1
4	3
5	7
6	8
7	4
8	6
9	25
10	26
11	13
12	15
13	79
14	80
15	40
16	42
17	241
18	242
19	121
20	123
21	727
22	728
23	364
24	366
25	2185
26	2186
27	1093
28	1095
29	6559
30	6560
31	3280
32	3282
33	19681
34	19682
35	9841
36	9843
37	59047
38	59048
39	29524
40	29526
41	177145
42	177146
43	88573
44	88575
45	531439
46	531440
47	265720
48	265722
49	1594321

[1, 2, 1, 3, 7, 8, 4, 6, 25, 26, 13, 15, 79, 80, 40, 42, 241, 242, 121, 123, 727, 728, 364, 366, 2185, 2186, 1093, 1095, 6559, 6560, 3280, 3282, 19681, 19682, 9841, 9843, 59047, 59048, 29524, 29526, 177145, 177146, 88573, 88575, 531439, 531440, 265720, 265722, 1594321]

cp's OEIS Frontend

A112027 a(1)=1; then successively add 1, divide by 2, add 2 and then total up the last 4 terms.

Table of values

List of values