A024172 - cp's OEIS frontend

A024172 Integer part of ((3rd elementary symmetric function of 1,2,..,n)/(2nd elementary symmetric function of 1,2,...,n)).

n	a(n)
2	0
3	0
4	1
5	2
6	4
7	6
8	8
9	10
10	13
11	16
12	20
13	24
14	28
15	33
16	38
17	43
18	48
19	54
20	60
21	67
22	74
23	81
24	89
25	97
26	105
27	113
28	122
29	131
30	141
31	151
32	161
33	172
34	183
35	194
36	205
37	217
38	229
39	242
40	255
41	268
42	282
43	296
44	310
45	324

[0, 0, 1, 2, 4, 6, 8, 10, 13, 16, 20, 24, 28, 33, 38, 43, 48, 54, 60, 67, 74, 81, 89, 97, 105, 113, 122, 131, 141, 151, 161, 172, 183, 194, 205, 217, 229, 242, 255, 268, 282, 296, 310, 324]

cp's OEIS Frontend

A024172 Integer part of ((3rd elementary symmetric function of 1,2,..,n)/(2nd elementary symmetric function of 1,2,...,n)).

Table of values

List of values

n	a(n)
2	0
3	0
4	1
5	2
6	4
7	6
8	8
9	10
10	13
11	16
12	20
13	24
14	28
15	33
16	38
17	43
18	48
19	54
20	60
21	67
22	74
23	81
24	89
25	97
26	105
27	113
28	122
29	131
30	141
31	151
32	161
33	172
34	183
35	194
36	205
37	217
38	229
39	242
40	255
41	268
42	282
43	296
44	310
45	324

n	a(n)
2	0
3	0
4	1
5	2
6	4
7	6
8	8
9	10
10	13
11	16
12	20
13	24
14	28
15	33
16	38
17	43
18	48
19	54
20	60
21	67
22	74
23	81
24	89
25	97
26	105
27	113
28	122
29	131
30	141
31	151
32	161
33	172
34	183
35	194
36	205
37	217
38	229
39	242
40	255
41	268
42	282
43	296
44	310
45	324

n	a(n)
2	0
3	0
4	1
5	2
6	4
7	6
8	8
9	10
10	13
11	16
12	20
13	24
14	28
15	33
16	38
17	43
18	48
19	54
20	60
21	67
22	74
23	81
24	89
25	97
26	105
27	113
28	122
29	131
30	141
31	151
32	161
33	172
34	183
35	194
36	205
37	217
38	229
39	242
40	255
41	268
42	282
43	296
44	310
45	324