A344139 - cp's OEIS frontend

A344139 a(n) = Sum_{x_1|n, x_2|n, x_3|n, x_4|n, x_5|n} gcd(x_1,x_2,x_3,x_4,x_5).

n	a(n)
1	1
2	33
3	34
4	277
5	36
6	1122
7	38
8	1335
9	313
10	1188
11	42
12	9418
13	44
14	1254
15	1224
16	4771
17	48
18	10329
19	50
20	9972
21	1292
22	1386
23	54
24	45390
25	391
26	1452
27	1720
28	10526
29	60
30	40392
31	62
32	14193
33	1428
34	1584
35	1368
36	86701
37	68
38	1650
39	1496
40	48060
41	72
42	42636
43	74
44	11634
45	11268
46	1782
47	78
48	162214
49	477
50	12903
51	1632
52	12188
53	84

[1, 33, 34, 277, 36, 1122, 38, 1335, 313, 1188, 42, 9418, 44, 1254, 1224, 4771, 48, 10329, 50, 9972, 1292, 1386, 54, 45390, 391, 1452, 1720, 10526, 60, 40392, 62, 14193, 1428, 1584, 1368, 86701, 68, 1650, 1496, 48060, 72, 42636, 74, 11634, 11268, 1782, 78, 162214, 477, 12903, 1632, 12188, 84]

cp's OEIS Frontend

A344139 a(n) = Sum_{x_1|n, x_2|n, x_3|n, x_4|n, x_5|n} gcd(x_1,x_2,x_3,x_4,x_5).

Table of values

List of values