A056053 - cp's OEIS frontend

A056053 a(n) = smallest odd number 2m+1 such that the partial sum of the odd harmonic series Sum_{j=0..m} 1/(2j+1) is > n.

n	a(n)
0	1
1	3
2	15
3	113
4	837
5	6183
6	45691
7	337607
8	2494595
9	18432707
10	136200301
11	1006391657
12	7436284415
13	54947122715
14	406007372211
15	3000011249847
16	22167251422541
17	163795064320249
18	1210290918990281
19	8942907496445513
20	66079645178783351
21	488266205223462461
22	3607826381608149807

[1, 3, 15, 113, 837, 6183, 45691, 337607, 2494595, 18432707, 136200301, 1006391657, 7436284415, 54947122715, 406007372211, 3000011249847, 22167251422541, 163795064320249, 1210290918990281, 8942907496445513, 66079645178783351, 488266205223462461, 3607826381608149807]

cp's OEIS Frontend

A056053 a(n) = smallest odd number 2m+1 such that the partial sum of the odd harmonic series Sum_{j=0..m} 1/(2j+1) is > n.

Table of values

List of values