A269926 - cp's OEIS frontend

A269926 Number of partitions of n into rational parts i/j such that 1 <= i,j <= n and gcd(i,j) = 1.

n	a(n)
0	1
1	1
2	4
3	33
4	385
5	11483
6	305684
7	24306812
8	1472403740
9	247008653639
10	34519470848749
11	12828108172960015
12	1928570926371392597
13	1431184075250830915405
14	670210514199929067110226
15	1159071708111028412649897690
16	702243565303276226975262410876
17	1815785932270337215073101716635095

[1, 1, 4, 33, 385, 11483, 305684, 24306812, 1472403740, 247008653639, 34519470848749, 12828108172960015, 1928570926371392597, 1431184075250830915405, 670210514199929067110226, 1159071708111028412649897690, 702243565303276226975262410876, 1815785932270337215073101716635095]

cp's OEIS Frontend

A269926 Number of partitions of n into rational parts i/j such that 1 <= i,j <= n and gcd(i,j) = 1.

Table of values

List of values