A049480 - cp's OEIS frontend

A049480 a(n) = (2n-1)(n^2 -n +6)/6.

n	a(n)
1	1
2	4
3	10
4	21
5	39
6	66
7	104
8	155
9	221
10	304
11	406
12	529
13	675
14	846
15	1044
16	1271
17	1529
18	1820
19	2146
20	2509
21	2911
22	3354
23	3840
24	4371
25	4949
26	5576
27	6254
28	6985
29	7771
30	8614
31	9516
32	10479
33	11505
34	12596
35	13754
36	14981
37	16279
38	17650
39	19096
40	20619
41	22221

[1, 4, 10, 21, 39, 66, 104, 155, 221, 304, 406, 529, 675, 846, 1044, 1271, 1529, 1820, 2146, 2509, 2911, 3354, 3840, 4371, 4949, 5576, 6254, 6985, 7771, 8614, 9516, 10479, 11505, 12596, 13754, 14981, 16279, 17650, 19096, 20619, 22221]

cp's OEIS Frontend

A049480 a(n) = (2n-1)(n^2 -n +6)/6.

Table of values

List of values

cp's OEIS Frontend

A049480 a(n) = (2*n-1)*(n^2 -n +6)/6.

Table of values

List of values

A049480 a(n) = (2n-1)(n^2 -n +6)/6.