A271623 - cp's OEIS frontend

A271623 a(0)=7; a(n) = 7*a(n-1) + 1 if a(n-1) is odd, a(n) = a(n-1)/2 otherwise.

n	a(n)
0	7
1	50
2	25
3	176
4	88
5	44
6	22
7	11
8	78
9	39
10	274
11	137
12	960
13	480
14	240
15	120
16	60
17	30
18	15
19	106
20	53
21	372
22	186
23	93
24	652
25	326
26	163
27	1142
28	571
29	3998
30	1999
31	13994
32	6997
33	48980
34	24490
35	12245
36	85716
37	42858
38	21429
39	150004
40	75002
41	37501
42	262508
43	131254
44	65627
45	459390
46	229695

[7, 50, 25, 176, 88, 44, 22, 11, 78, 39, 274, 137, 960, 480, 240, 120, 60, 30, 15, 106, 53, 372, 186, 93, 652, 326, 163, 1142, 571, 3998, 1999, 13994, 6997, 48980, 24490, 12245, 85716, 42858, 21429, 150004, 75002, 37501, 262508, 131254, 65627, 459390, 229695]

cp's OEIS Frontend

A271623 a(0)=7; a(n) = 7*a(n-1) + 1 if a(n-1) is odd, a(n) = a(n-1)/2 otherwise.

Table of values

List of values