A024401 - cp's OEIS frontend

A024401 a(n) = [ (3rd elementary symmetric function of S(n))/(2nd elementary symmetric function of S(n)) ], where S(n) = {first n+2 positive integers congruent to 2 mod 3}.

n	a(n)
1	1
2	3
3	6
4	11
5	16
6	22
7	30
8	38
9	47
10	58
11	69
12	81
13	95
14	109
15	124
16	141
17	158
18	176
19	196
20	216
21	237
22	260
23	283
24	307
25	333
26	359
27	386
28	415
29	444
30	474
31	506
32	538
33	571
34	606
35	641
36	677
37	715
38	753
39	792
40	833
41	874
42	916
43	960

[1, 3, 6, 11, 16, 22, 30, 38, 47, 58, 69, 81, 95, 109, 124, 141, 158, 176, 196, 216, 237, 260, 283, 307, 333, 359, 386, 415, 444, 474, 506, 538, 571, 606, 641, 677, 715, 753, 792, 833, 874, 916, 960]

cp's OEIS Frontend

A024401 a(n) = [ (3rd elementary symmetric function of S(n))/(2nd elementary symmetric function of S(n)) ], where S(n) = {first n+2 positive integers congruent to 2 mod 3}.

Table of values

List of values

n	a(n)
1	1
2	3
3	6
4	11
5	16
6	22
7	30
8	38
9	47
10	58
11	69
12	81
13	95
14	109
15	124
16	141
17	158
18	176
19	196
20	216
21	237
22	260
23	283
24	307
25	333
26	359
27	386
28	415
29	444
30	474
31	506
32	538
33	571
34	606
35	641
36	677
37	715
38	753
39	792
40	833
41	874
42	916
43	960

n	a(n)
1	1
2	3
3	6
4	11
5	16
6	22
7	30
8	38
9	47
10	58
11	69
12	81
13	95
14	109
15	124
16	141
17	158
18	176
19	196
20	216
21	237
22	260
23	283
24	307
25	333
26	359
27	386
28	415
29	444
30	474
31	506
32	538
33	571
34	606
35	641
36	677
37	715
38	753
39	792
40	833
41	874
42	916
43	960

n	a(n)
1	1
2	3
3	6
4	11
5	16
6	22
7	30
8	38
9	47
10	58
11	69
12	81
13	95
14	109
15	124
16	141
17	158
18	176
19	196
20	216
21	237
22	260
23	283
24	307
25	333
26	359
27	386
28	415
29	444
30	474
31	506
32	538
33	571
34	606
35	641
36	677
37	715
38	753
39	792
40	833
41	874
42	916
43	960