A024385 - cp's OEIS frontend

A024385 a(n) = [ (2nd elementary symmetric function of S(n))/(first elementary symmetric function of S(n)) ], where S(n) = {first n+1 positive integers congruent to 1 mod 4}.

n	a(n)
1	0
2	3
3	9
4	16
5	25
6	36
7	49
8	64
9	82
10	101
11	122
12	145
13	170
14	197
15	227
16	258
17	291
18	326
19	363
20	402
21	444
22	487
23	532
24	579
25	628
26	679
27	733
28	788
29	845
30	904
31	965
32	1028
33	1094
34	1161
35	1230
36	1301
37	1374
38	1449
39	1527
40	1606
41	1687
42	1770
43	1855
44	1942

[0, 3, 9, 16, 25, 36, 49, 64, 82, 101, 122, 145, 170, 197, 227, 258, 291, 326, 363, 402, 444, 487, 532, 579, 628, 679, 733, 788, 845, 904, 965, 1028, 1094, 1161, 1230, 1301, 1374, 1449, 1527, 1606, 1687, 1770, 1855, 1942]

cp's OEIS Frontend

A024385 a(n) = [ (2nd elementary symmetric function of S(n))/(first elementary symmetric function of S(n)) ], where S(n) = {first n+1 positive integers congruent to 1 mod 4}.

Table of values

List of values