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.

A270873 a(n) = n^9 + 8*n^8 + 43*n^7 + 159*n^6 + 452*n^5 + 997*n^4 + 1725*n^3 + 2272*n^2 + 1990*n + 21.

Table of values

n a(n)
0 21
1 7668
2 75545
3 545730
4 3015021
5 13239896
6 48243393
7 151298070
8 420233285
9 1056651996
10 2446142121
11 5282430218
12 10751650845
13 20796493440
14 38483939921
15 68504620446
16 117836491893
17 196610583620
18 319221957945
19 505734798546
20 783636668621
21 1190003472168

List of values

[21, 7668, 75545, 545730, 3015021, 13239896, 48243393, 151298070, 420233285, 1056651996, 2446142121, 5282430218, 10751650845, 20796493440, 38483939921, 68504620446, 117836491893, 196610583620, 319221957945, 505734798546, 783636668621, 1190003472168]