A082540 - cp's OEIS frontend

A082540 Number of ordered quadruples (a,b,c,d) with gcd(a,b,c,d)=1 (1 <= {a,b,c,d} <= n).

n	a(n)
1	1
2	15
3	79
4	239
5	607
6	1199
7	2303
8	3823
9	6223
10	9279
11	13919
12	19183
13	27007
14	35743
15	47519
16	60735
17	78719
18	97103
19	122447
20	148527
21	181839
22	216959
23	262543
24	306863
25	365343
26	423855
27	495855
28	569055
29	661679
30	748527
31	862047
32	972191
33	1104831
34	1237247

[1, 15, 79, 239, 607, 1199, 2303, 3823, 6223, 9279, 13919, 19183, 27007, 35743, 47519, 60735, 78719, 97103, 122447, 148527, 181839, 216959, 262543, 306863, 365343, 423855, 495855, 569055, 661679, 748527, 862047, 972191, 1104831, 1237247]

cp's OEIS Frontend

A082540 Number of ordered quadruples (a,b,c,d) with gcd(a,b,c,d)=1 (1 <= {a,b,c,d} <= n).

Table of values

List of values