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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.

A086908 Let R be the polynomial ring GF(2)[x]. Then a(n) = number of distinct products f*g with f,g in R and 0 <= deg(f),deg(g) <= n.

Table of values

n a(n)
1 7
2 23
3 79
4 272
5 991
6 3587
7 13499
8 50838
9 194251
10 745754
11 2883084
12 11173940
13 43487349
14 169658939
15 663264004
16 2598336785
17 10190703415
18 40038964037
19 157431540197
20 619871791795
21 2442107730237
22 9632769956279
23 38008189846122
24 150127214291450
25 593141915883700

List of values

[7, 23, 79, 272, 991, 3587, 13499, 50838, 194251, 745754, 2883084, 11173940, 43487349, 169658939, 663264004, 2598336785, 10190703415, 40038964037, 157431540197, 619871791795, 2442107730237, 9632769956279, 38008189846122, 150127214291450, 593141915883700]

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

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