A226037 - cp's OEIS frontend

A226037 a(n) = Sum_{c in P(n)} lcm(c) where P(n) is the set of all subsets of {1,2,...,n}.

n	a(n)
0	1
1	2
2	6
3	24
4	88
5	528
6	1392
7	11136
8	41856
9	192192
10	516032
11	6192384
12	13270272
13	185783808
14	511526400
15	1163742720
16	4403449344
17	79262088192
18	199280729088
19	3985614581760
20	8463108648960
21	19276630732800
22	54618972549120
23	1310855341178880
24	2751134770298880
25	17228042511482880

[1, 2, 6, 24, 88, 528, 1392, 11136, 41856, 192192, 516032, 6192384, 13270272, 185783808, 511526400, 1163742720, 4403449344, 79262088192, 199280729088, 3985614581760, 8463108648960, 19276630732800, 54618972549120, 1310855341178880, 2751134770298880, 17228042511482880]

cp's OEIS Frontend

A226037 a(n) = Sum_{c in P(n)} lcm(c) where P(n) is the set of all subsets of {1,2,...,n}.

Table of values

List of values