A033579 - cp's OEIS frontend

A033579 Four times pentagonal numbers: a(n) = 2n(3*n-1).

n	a(n)
0	0
1	4
2	20
3	48
4	88
5	140
6	204
7	280
8	368
9	468
10	580
11	704
12	840
13	988
14	1148
15	1320
16	1504
17	1700
18	1908
19	2128
20	2360
21	2604
22	2860
23	3128
24	3408
25	3700
26	4004
27	4320
28	4648
29	4988
30	5340
31	5704
32	6080
33	6468
34	6868
35	7280
36	7704
37	8140
38	8588
39	9048
40	9520
41	10004
42	10500
43	11008
44	11528
45	12060

[0, 4, 20, 48, 88, 140, 204, 280, 368, 468, 580, 704, 840, 988, 1148, 1320, 1504, 1700, 1908, 2128, 2360, 2604, 2860, 3128, 3408, 3700, 4004, 4320, 4648, 4988, 5340, 5704, 6080, 6468, 6868, 7280, 7704, 8140, 8588, 9048, 9520, 10004, 10500, 11008, 11528, 12060]

cp's OEIS Frontend

A033579 Four times pentagonal numbers: a(n) = 2n(3*n-1).

Table of values

List of values

cp's OEIS Frontend

A033579 Four times pentagonal numbers: a(n) = 2*n*(3*n-1).

Table of values

List of values

A033579 Four times pentagonal numbers: a(n) = 2n(3*n-1).