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.

A162602 G.f. is the polynomial (1-x^3) * (1-x^6) * (1-x^9) * (1-x^12) * (1-x^15) * (1-x^18) * (1-x^21) * (1-x^24) * (1-x^27) / (1-x)^9.

Table of values

n a(n)
0 1
1 9
2 45
3 164
4 486
5 1242
6 2837
7 5931
8 11538
9 21142
10 36828
11 61425
12 98657
13 153297
14 231318
15 340035
16 488232
17 686268
18 946156
19 1281609
20 1708047
21 2242560
22 2903823
23 3711960
24 4688355
25 5855409
26 7236243
27 8854348
28 10733184
29 12895731
30 15363997

List of values

[1, 9, 45, 164, 486, 1242, 2837, 5931, 11538, 21142, 36828, 61425, 98657, 153297, 231318, 340035, 488232, 686268, 946156, 1281609, 1708047, 2242560, 2903823, 3711960, 4688355, 5855409, 7236243, 8854348, 10733184, 12895731, 15363997]