A005476 - cp's OEIS frontend

A005476 a(n) = n(5n - 1)/2.

n	a(n)
0	0
1	2
2	9
3	21
4	38
5	60
6	87
7	119
8	156
9	198
10	245
11	297
12	354
13	416
14	483
15	555
16	632
17	714
18	801
19	893
20	990
21	1092
22	1199
23	1311
24	1428
25	1550
26	1677
27	1809
28	1946
29	2088
30	2235
31	2387
32	2544
33	2706
34	2873
35	3045
36	3222
37	3404
38	3591

[0, 2, 9, 21, 38, 60, 87, 119, 156, 198, 245, 297, 354, 416, 483, 555, 632, 714, 801, 893, 990, 1092, 1199, 1311, 1428, 1550, 1677, 1809, 1946, 2088, 2235, 2387, 2544, 2706, 2873, 3045, 3222, 3404, 3591]

cp's OEIS Frontend

A005476 a(n) = n(5n - 1)/2.

Table of values

List of values

cp's OEIS Frontend

A005476 a(n) = n*(5*n - 1)/2.

Table of values

List of values

A005476 a(n) = n(5n - 1)/2.