A292303 - cp's OEIS frontend

A292303 a(1) = 1; a(n+1) = Sum_{k=1..n} lcm(a(k),n)/n.

n	a(n)
1	1
2	1
3	2
4	4
5	4
6	12
7	9
8	33
9	50
10	78
11	99
12	173
13	264
14	658
15	570
16	1056
17	1099
18	4113
19	2443
20	10129
21	18866
22	23226
23	39775
24	102665
25	171529
26	256039
27	610467
28	815809
29	1795028
30	3854202
31	3044396
32	10752800
33	5509162
34	22665306
35	25847226
36	66558954
37	25219183
38	167266731
39	264535960
40	163511658
41	346473322
42	1109093102

[1, 1, 2, 4, 4, 12, 9, 33, 50, 78, 99, 173, 264, 658, 570, 1056, 1099, 4113, 2443, 10129, 18866, 23226, 39775, 102665, 171529, 256039, 610467, 815809, 1795028, 3854202, 3044396, 10752800, 5509162, 22665306, 25847226, 66558954, 25219183, 167266731, 264535960, 163511658, 346473322, 1109093102]

cp's OEIS Frontend

A292303 a(1) = 1; a(n+1) = Sum_{k=1..n} lcm(a(k),n)/n.

Table of values

List of values