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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.

A387261 a(n) is the numerator of the winning probability of the starting player to reach n points first in the game "Risk or Safety", assuming optimal play.

Table of values

n a(n)
1 2
2 4
3 6
4 2236
5 1026
6 275848876
7 649346842
8 61550866190068
9 2737872156886
10 5556238701119487884
11 33857036312840796476194
12 3393041394611453189295265268
13 218370486707916654640780231642
14 112630244896738642814653528498087299988
15 14364898791782224577113184680141626682

List of values

[2, 4, 6, 2236, 1026, 275848876, 649346842, 61550866190068, 2737872156886, 5556238701119487884, 33857036312840796476194, 3393041394611453189295265268, 218370486707916654640780231642, 112630244896738642814653528498087299988, 14364898791782224577113184680141626682]

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

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