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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.

A307131 Numerator of the expected fraction of occupied places on n-length lattice randomly filled with 2-length segments.

Table of values

n a(n)
1 1
2 2
3 5
4 4
5 37
6 52
7 349
8 338
9 11873
10 14554
11 157567
12 466498
13 11994551
14 41582906
15 618626159
16 614191052
17 7545655031
18 92853583996
19 1755370057489
20 8737266957604
21 365468962351379
22 2002633668589496
23 45904893141293831

List of values

[1, 2, 5, 4, 37, 52, 349, 338, 11873, 14554, 157567, 466498, 11994551, 41582906, 618626159, 614191052, 7545655031, 92853583996, 1755370057489, 8737266957604, 365468962351379, 2002633668589496, 45904893141293831]

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

Content is available under The OEIS End-User License Agreement.