A024180 - cp's OEIS frontend

A024180 a(n) = floor((3rd elementary symmetric function of 2,3,...,n+3) / (2nd elementary symmetric function of 2,3,...,n+3) ).

n	a(n)
1	0
2	2
3	3
4	5
5	7
6	10
7	13
8	16
9	20
10	24
11	28
12	32
13	37
14	42
15	48
16	54
17	60
18	67
19	74
20	81
21	88
22	96
23	104
24	113
25	122
26	131
27	141
28	151
29	161
30	171
31	182
32	193
33	205
34	217
35	229
36	242
37	255
38	268
39	281
40	295
41	309
42	324
43	339
44	354
45	370
46	386
47	402
48	418
49	435
50	452
51	470
52	488

[0, 2, 3, 5, 7, 10, 13, 16, 20, 24, 28, 32, 37, 42, 48, 54, 60, 67, 74, 81, 88, 96, 104, 113, 122, 131, 141, 151, 161, 171, 182, 193, 205, 217, 229, 242, 255, 268, 281, 295, 309, 324, 339, 354, 370, 386, 402, 418, 435, 452, 470, 488]

cp's OEIS Frontend

A024180 a(n) = floor((3rd elementary symmetric function of 2,3,...,n+3) / (2nd elementary symmetric function of 2,3,...,n+3) ).

Table of values

List of values

n	a(n)
1	0
2	2
3	3
4	5
5	7
6	10
7	13
8	16
9	20
10	24
11	28
12	32
13	37
14	42
15	48
16	54
17	60
18	67
19	74
20	81
21	88
22	96
23	104
24	113
25	122
26	131
27	141
28	151
29	161
30	171
31	182
32	193
33	205
34	217
35	229
36	242
37	255
38	268
39	281
40	295
41	309
42	324
43	339
44	354
45	370
46	386
47	402
48	418
49	435
50	452
51	470
52	488

n	a(n)
1	0
2	2
3	3
4	5
5	7
6	10
7	13
8	16
9	20
10	24
11	28
12	32
13	37
14	42
15	48
16	54
17	60
18	67
19	74
20	81
21	88
22	96
23	104
24	113
25	122
26	131
27	141
28	151
29	161
30	171
31	182
32	193
33	205
34	217
35	229
36	242
37	255
38	268
39	281
40	295
41	309
42	324
43	339
44	354
45	370
46	386
47	402
48	418
49	435
50	452
51	470
52	488

n	a(n)
1	0
2	2
3	3
4	5
5	7
6	10
7	13
8	16
9	20
10	24
11	28
12	32
13	37
14	42
15	48
16	54
17	60
18	67
19	74
20	81
21	88
22	96
23	104
24	113
25	122
26	131
27	141
28	151
29	161
30	171
31	182
32	193
33	205
34	217
35	229
36	242
37	255
38	268
39	281
40	295
41	309
42	324
43	339
44	354
45	370
46	386
47	402
48	418
49	435
50	452
51	470
52	488