A024223 - cp's OEIS frontend

A024223 [ (4th elementary symmetric function of S(n))/(2nd elementary symmetric function of S(n)) ], where S(n) = {first n+3 positive integers congruent to 1 mod 3}.

n	a(n)
1	1
2	12
3	45
4	115
5	244
6	457
7	785
8	1262
9	1926
10	2822
11	3997
12	5504
13	7400
14	9746
15	12608
16	16057
17	20168
18	25021
19	30699
20	37290
21	44888
22	53591
23	63500
24	74722
25	87368
26	101553
27	117397
28	135026
29	154567
30	176154
31	199926
32	226024
33	254597
34	285795
35	319774
36	356694
37	396722
38	440026

[1, 12, 45, 115, 244, 457, 785, 1262, 1926, 2822, 3997, 5504, 7400, 9746, 12608, 16057, 20168, 25021, 30699, 37290, 44888, 53591, 63500, 74722, 87368, 101553, 117397, 135026, 154567, 176154, 199926, 226024, 254597, 285795, 319774, 356694, 396722, 440026]

cp's OEIS Frontend

A024223 [ (4th elementary symmetric function of S(n))/(2nd elementary symmetric function of S(n)) ], where S(n) = {first n+3 positive integers congruent to 1 mod 3}.

Table of values

List of values