A039827 - cp's OEIS frontend

A039827 Number of different coefficient values in expansion of Product (1+q^i+q^(2i)), i=1 to n.

n	a(n)
1	1
2	2
3	3
4	6
5	11
6	19
7	26
8	34
9	44
10	54
11	65
12	77
13	90
14	104
15	119
16	135
17	152
18	170
19	189
20	209
21	230
22	252
23	275
24	299
25	324
26	350
27	377
28	405
29	434
30	464
31	495
32	527
33	560
34	594
35	629
36	665
37	702
38	740
39	779
40	819
41	860
42	902
43	945
44	989
45	1034
46	1080
47	1127
48	1175
49	1224
50	1274

[1, 2, 3, 6, 11, 19, 26, 34, 44, 54, 65, 77, 90, 104, 119, 135, 152, 170, 189, 209, 230, 252, 275, 299, 324, 350, 377, 405, 434, 464, 495, 527, 560, 594, 629, 665, 702, 740, 779, 819, 860, 902, 945, 989, 1034, 1080, 1127, 1175, 1224, 1274]

cp's OEIS Frontend

A039827 Number of different coefficient values in expansion of Product (1+q^i+q^(2i)), i=1 to n.

Table of values

List of values