cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A105770 Expansion of (x^2-x+1)*(4*x^2+x+1) / ((1+x+x^2)*(1-x)^3).

Table of values

n a(n)
0 1
1 2
2 7
3 10
4 17
5 28
6 37
7 50
8 67
9 82
10 101
11 124
12 145
13 170
14 199
15 226
16 257
17 292
18 325
19 362
20 403
21 442
22 485
23 532
24 577
25 626
26 679
27 730
28 785
29 844
30 901
31 962
32 1027
33 1090
34 1157
35 1228
36 1297
37 1370
38 1447
39 1522
40 1601
41 1684
42 1765
43 1850
44 1939
45 2026
46 2117
47 2212
48 2305
49 2402
50 2503

List of values

[1, 2, 7, 10, 17, 28, 37, 50, 67, 82, 101, 124, 145, 170, 199, 226, 257, 292, 325, 362, 403, 442, 485, 532, 577, 626, 679, 730, 785, 844, 901, 962, 1027, 1090, 1157, 1228, 1297, 1370, 1447, 1522, 1601, 1684, 1765, 1850, 1939, 2026, 2117, 2212, 2305, 2402, 2503]