A137284 - cp's OEIS frontend

A137284 a(0)=1 and a(n) for n > 0 equals the minimal positive integer such that addition of 2^(-a(n)) to Sum_{k = 0,1,...,n-1} 2^(-a(k)) changes only trailing zeros in its decimal representation.

n	a(n)
0	1
1	4
2	14
3	47
4	157
5	522
6	1735
7	5764
8	19148
9	63609
10	211305
11	701941
12	2331798
13	7746066
14	25731875
15	85479439
16	283956550
17	943283242
18	3133519104
19	10409325148
20	34579029658
21	114869050115
22	381586724811
23	1267603661786
24	4210888217270
25	13988267873380
26	46468020047392

[1, 4, 14, 47, 157, 522, 1735, 5764, 19148, 63609, 211305, 701941, 2331798, 7746066, 25731875, 85479439, 283956550, 943283242, 3133519104, 10409325148, 34579029658, 114869050115, 381586724811, 1267603661786, 4210888217270, 13988267873380, 46468020047392]

cp's OEIS Frontend

A137284 a(0)=1 and a(n) for n > 0 equals the minimal positive integer such that addition of 2^(-a(n)) to Sum_{k = 0,1,...,n-1} 2^(-a(k)) changes only trailing zeros in its decimal representation.

Table of values

List of values