A336089 - cp's OEIS frontend

A336089 k such that L(H(k,1)^2) = 2*L(H(k,1)) where L(x) is the number of terms in the continued fraction of x and H(k,r) = Sum_{u=1..k} 1/u^r.

n	a(n)
1	7
2	10
3	14
4	275
5	293
6	359
7	509
8	518
9	526
10	531
11	643
12	671
13	701
14	710
15	1081
16	1158
17	1318
18	1798
19	1836
20	2368
21	2441
22	2507
23	2591
24	2990
25	3477
26	3589
27	3818
28	4096
29	5582
30	5851
31	6968
32	7180
33	7523
34	8718
35	8745
36	8782
37	8817
38	8844
39	8946
40	9772
41	9905

[7, 10, 14, 275, 293, 359, 509, 518, 526, 531, 643, 671, 701, 710, 1081, 1158, 1318, 1798, 1836, 2368, 2441, 2507, 2591, 2990, 3477, 3589, 3818, 4096, 5582, 5851, 6968, 7180, 7523, 8718, 8745, 8782, 8817, 8844, 8946, 9772, 9905]

cp's OEIS Frontend

A336089 k such that L(H(k,1)^2) = 2*L(H(k,1)) where L(x) is the number of terms in the continued fraction of x and H(k,r) = Sum_{u=1..k} 1/u^r.

Table of values

List of values