A383471 - cp's OEIS frontend

A383471 a(n) = round(Product_{k=1..n} (1 + 1/2^2^(-k))).

n	a(n)
0	1
1	2
2	3
3	6
4	12
5	23
6	46
7	93
8	185
9	370
10	739
11	1478
12	2955
13	5910
14	11819
15	23637
16	47274
17	94549
18	189097
19	378194
20	756388
21	1512776
22	3025551
23	6051102
24	12102203
25	24204407
26	48408813
27	96817626
28	193635251
29	387270501
30	774541003
31	1549082005
32	3098164010
33	6196328019
34	12392656038
35	24785312075

[1, 2, 3, 6, 12, 23, 46, 93, 185, 370, 739, 1478, 2955, 5910, 11819, 23637, 47274, 94549, 189097, 378194, 756388, 1512776, 3025551, 6051102, 12102203, 24204407, 48408813, 96817626, 193635251, 387270501, 774541003, 1549082005, 3098164010, 6196328019, 12392656038, 24785312075]

cp's OEIS Frontend

A383471 a(n) = round(Product_{k=1..n} (1 + 1/2^2^(-k))).

Table of values

List of values