A024219 - cp's OEIS frontend

A024219 a(n) = floor( (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 3}.

n	a(n)
1	0
2	3
3	7
4	12
5	19
6	28
7	38
8	49
9	62
10	77
11	93
12	110
13	129
14	150
15	172
16	195
17	220
18	247
19	275
20	304
21	335
22	368
23	402
24	437
25	474
26	513
27	553
28	594
29	637
30	682
31	728
32	775
33	824
34	875
35	927
36	980
37	1035
38	1092
39	1150
40	1209
41	1270
42	1333
43	1397
44	1462
45	1529
46	1598
47	1668
48	1739
49	1812
50	1887
51	1963
52	2040

[0, 3, 7, 12, 19, 28, 38, 49, 62, 77, 93, 110, 129, 150, 172, 195, 220, 247, 275, 304, 335, 368, 402, 437, 474, 513, 553, 594, 637, 682, 728, 775, 824, 875, 927, 980, 1035, 1092, 1150, 1209, 1270, 1333, 1397, 1462, 1529, 1598, 1668, 1739, 1812, 1887, 1963, 2040]

cp's OEIS Frontend

A024219 a(n) = floor( (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 3}.

Table of values

List of values