A088210 - cp's OEIS frontend

A088210 Numerators of convergents of the continued fraction with the n+1 partial quotients: [2;2,2,...(n 2's)...,2,n+1], starting with [1], [2;2], [2;2,3], [2;2,2,4], ...

n	a(n)
0	1
1	5
2	17
3	53
4	157
5	449
6	1253
7	3433
8	9273
9	24765
10	65529
11	172061
12	448853
13	1164409
14	3006157
15	7728337
16	19794545
17	50532469
18	128621281
19	326513669
20	826887693
21	2089505841
22	5269572021
23	13265211961
24	33336792745
25	83648953133
26	209591807177

[1, 5, 17, 53, 157, 449, 1253, 3433, 9273, 24765, 65529, 172061, 448853, 1164409, 3006157, 7728337, 19794545, 50532469, 128621281, 326513669, 826887693, 2089505841, 5269572021, 13265211961, 33336792745, 83648953133, 209591807177]

cp's OEIS Frontend

A088210 Numerators of convergents of the continued fraction with the n+1 partial quotients: [2;2,2,...(n 2's)...,2,n+1], starting with [1], [2;2], [2;2,3], [2;2,2,4], ...

Table of values

List of values