A105862 - cp's OEIS frontend

A105862 a(n) = n * Sum_{d|n} binomial(n,d)/gcd(n,d).

n	a(n)
1	1
2	5
3	10
4	29
5	26
6	122
7	50
8	317
9	334
10	830
11	122
12	4754
13	170
14	7698
15	11510
16	34237
17	290
18	159530
19	362
20	458054
21	358592
22	1413890
23	530
24	8236946
25	266276
26	20806102
27	14087530
28	85118762
29	842
30	404242022
31	962
32	1244530621
33	580671266
34	4667223134
35	35896250

[1, 5, 10, 29, 26, 122, 50, 317, 334, 830, 122, 4754, 170, 7698, 11510, 34237, 290, 159530, 362, 458054, 358592, 1413890, 530, 8236946, 266276, 20806102, 14087530, 85118762, 842, 404242022, 962, 1244530621, 580671266, 4667223134, 35896250]

cp's OEIS Frontend

A105862 a(n) = n * Sum_{d|n} binomial(n,d)/gcd(n,d).

Table of values

List of values