A024173 - cp's OEIS frontend

A024173 Integer part of ((4th elementary symmetric function of 1,2,..,n)/(2nd elementary symmetric function of 1,2,...,n)).

n	a(n)
2	0
3	0
4	0
5	3
6	9
7	21
8	41
9	72
10	119
11	185
12	275
13	395
14	549
15	744
16	987
17	1285
18	1645
19	2076
20	2586
21	3185
22	3882
23	4688
24	5612
25	6667
26	7863
27	9213
28	10731
29	12428
30	14318
31	16416
32	18737
33	21295
34	24106
35	27187
36	30553
37	34223
38	38214
39	42543
40	47231
41	52295
42	57756
43	63633
44	69948
45	76721

[0, 0, 0, 3, 9, 21, 41, 72, 119, 185, 275, 395, 549, 744, 987, 1285, 1645, 2076, 2586, 3185, 3882, 4688, 5612, 6667, 7863, 9213, 10731, 12428, 14318, 16416, 18737, 21295, 24106, 27187, 30553, 34223, 38214, 42543, 47231, 52295, 57756, 63633, 69948, 76721]

cp's OEIS Frontend

A024173 Integer part of ((4th elementary symmetric function of 1,2,..,n)/(2nd elementary symmetric function of 1,2,...,n)).

Table of values

List of values