A189890 - cp's OEIS frontend

A189890 a(n) = (n^3 - 2n^2 + 3n + 2)/2.

n	a(n)
1	2
2	4
3	10
4	23
5	46
6	82
7	134
8	205
9	298
10	416
11	562
12	739
13	950
14	1198
15	1486
16	1817
17	2194
18	2620
19	3098
20	3631
21	4222
22	4874
23	5590
24	6373
25	7226
26	8152
27	9154
28	10235
29	11398
30	12646
31	13982
32	15409
33	16930
34	18548
35	20266
36	22087
37	24014
38	26050
39	28198
40	30461
41	32842
42	35344
43	37970
44	40723
45	43606
46	46622

[2, 4, 10, 23, 46, 82, 134, 205, 298, 416, 562, 739, 950, 1198, 1486, 1817, 2194, 2620, 3098, 3631, 4222, 4874, 5590, 6373, 7226, 8152, 9154, 10235, 11398, 12646, 13982, 15409, 16930, 18548, 20266, 22087, 24014, 26050, 28198, 30461, 32842, 35344, 37970, 40723, 43606, 46622]

cp's OEIS Frontend

A189890 a(n) = (n^3 - 2n^2 + 3n + 2)/2.

Table of values

List of values

cp's OEIS Frontend

A189890 a(n) = (n^3 - 2*n^2 + 3*n + 2)/2.

Table of values

List of values

A189890 a(n) = (n^3 - 2n^2 + 3n + 2)/2.