A006000 - cp's OEIS frontend

A006000 a(n) = (n+1)(n^2+n+2)/2; g.f.: (1 + 2x^2) / (1 - x)^4.

n	a(n)
0	1
1	4
2	12
3	28
4	55
5	96
6	154
7	232
8	333
9	460
10	616
11	804
12	1027
13	1288
14	1590
15	1936
16	2329
17	2772
18	3268
19	3820
20	4431
21	5104
22	5842
23	6648
24	7525
25	8476
26	9504
27	10612
28	11803
29	13080
30	14446
31	15904
32	17457
33	19108
34	20860
35	22716
36	24679
37	26752
38	28938
39	31240
40	33661
41	36204
42	38872
43	41668
44	44595
45	47656
46	50854
47	54192

[1, 4, 12, 28, 55, 96, 154, 232, 333, 460, 616, 804, 1027, 1288, 1590, 1936, 2329, 2772, 3268, 3820, 4431, 5104, 5842, 6648, 7525, 8476, 9504, 10612, 11803, 13080, 14446, 15904, 17457, 19108, 20860, 22716, 24679, 26752, 28938, 31240, 33661, 36204, 38872, 41668, 44595, 47656, 50854, 54192]

cp's OEIS Frontend

A006000 a(n) = (n+1)(n^2+n+2)/2; g.f.: (1 + 2x^2) / (1 - x)^4.

Table of values

List of values

cp's OEIS Frontend

A006000 a(n) = (n+1)*(n^2+n+2)/2; g.f.: (1 + 2*x^2) / (1 - x)^4.

Table of values

List of values

A006000 a(n) = (n+1)(n^2+n+2)/2; g.f.: (1 + 2x^2) / (1 - x)^4.