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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.

A255501 a(n) = (n^9 + 5*n^8 + 4*n^7 - n^6 - 5*n^5 + 2*n^4)/6.

Table of values

n a(n)
0 0
1 1
2 352
3 9909
4 107776
5 698125
6 3252096
7 12045817
8 37679104
9 103495401
10 256420000
11 584190541
12 1241471232
13 2487920149
14 4741917376
15 8654360625
16 15207694336
17 25846158097
18 42644120544
19 68520305701
20 107506720000
21 165082149981
22 248581222912
23 367691205289

List of values

[0, 1, 352, 9909, 107776, 698125, 3252096, 12045817, 37679104, 103495401, 256420000, 584190541, 1241471232, 2487920149, 4741917376, 8654360625, 15207694336, 25846158097, 42644120544, 68520305701, 107506720000, 165082149981, 248581222912, 367691205289]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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