A024399 - cp's OEIS frontend

A024399 a(n) = [ (3rd elementary symmetric function of S(n))/(first elementary symmetric function of S(n)) ], where S(n) = {first n+2 positive integers congruent to 2 mod 3}.

n	a(n)
1	5
2	31
3	101
4	248
5	515
6	952
7	1619
8	2586
9	3930
10	5738
11	8107
12	11141
13	14954
14	19670
15	25420
16	32345
17	40596
18	50331
19	61718
20	74935
21	90167
22	107609
23	127466
24	149950
25	175283
26	203697
27	235431
28	270734
29	309865
30	353090
31	400685
32	452936
33	510136
34	572588
35	640605
36	714507

[5, 31, 101, 248, 515, 952, 1619, 2586, 3930, 5738, 8107, 11141, 14954, 19670, 25420, 32345, 40596, 50331, 61718, 74935, 90167, 107609, 127466, 149950, 175283, 203697, 235431, 270734, 309865, 353090, 400685, 452936, 510136, 572588, 640605, 714507]

cp's OEIS Frontend

A024399 a(n) = [ (3rd elementary symmetric function of S(n))/(first 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