A270875 - cp's OEIS frontend

A270875 Number of subsets of {1,...,n} with sum of elements equal to least common multiple of elements and at least two elements.

n	a(n)
1	0
2	0
3	1
4	1
5	1
6	2
7	2
8	3
9	5
10	6
11	6
12	9
13	9
14	10
15	13
16	15
17	15
18	19
19	19
20	33
21	35
22	35
23	35
24	47
25	47
26	47
27	50
28	57
29	57
30	101
31	101
32	106
33	108
34	108
35	108
36	127
37	127
38	127
39	128
40	249
41	249
42	268
43	268
44	272
45	358
46	358
47	358
48	406
49	406
50	408
51	409
52	411
53	411
54	424
55	424
56	501
57	502
58	502
59	502
60	1190
61	1190

[0, 0, 1, 1, 1, 2, 2, 3, 5, 6, 6, 9, 9, 10, 13, 15, 15, 19, 19, 33, 35, 35, 35, 47, 47, 47, 50, 57, 57, 101, 101, 106, 108, 108, 108, 127, 127, 127, 128, 249, 249, 268, 268, 272, 358, 358, 358, 406, 406, 408, 409, 411, 411, 424, 424, 501, 502, 502, 502, 1190, 1190]

cp's OEIS Frontend

A270875 Number of subsets of {1,...,n} with sum of elements equal to least common multiple of elements and at least two elements.

Table of values

List of values