A185170 - cp's OEIS frontend

A185170 a(n) = floor( (2n^2 - 6n + 9) / 5).

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	5
6	9
7	13
8	17
9	23
10	29
11	37
12	45
13	53
14	63
15	73
16	85
17	97
18	109
19	123
20	137
21	153
22	169
23	185
24	203
25	221
26	241
27	261
28	281
29	303
30	325
31	349
32	373
33	397
34	423
35	449
36	477
37	505
38	533
39	563
40	593
41	625
42	657
43	689
44	723
45	757
46	793
47	829
48	865
49	903
50	941
51	981
52	1021
53	1061
54	1103
55	1145

[1, 1, 1, 1, 3, 5, 9, 13, 17, 23, 29, 37, 45, 53, 63, 73, 85, 97, 109, 123, 137, 153, 169, 185, 203, 221, 241, 261, 281, 303, 325, 349, 373, 397, 423, 449, 477, 505, 533, 563, 593, 625, 657, 689, 723, 757, 793, 829, 865, 903, 941, 981, 1021, 1061, 1103, 1145]

cp's OEIS Frontend

A185170 a(n) = floor( (2n^2 - 6n + 9) / 5).

Table of values

List of values

cp's OEIS Frontend

A185170 a(n) = floor( (2*n^2 - 6*n + 9) / 5).

Table of values

List of values

A185170 a(n) = floor( (2n^2 - 6n + 9) / 5).