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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.

A383586 a(n) is the minimum sum of a nonnegative integer 4-tuple that takes n moves to reach a 0 component, where a move picks two components, subtracts the smaller from the larger, and doubles the smaller.

Table of values

n a(n)
0 0
1 4
2 10
3 20
4 40
5 76
6 177
7 387
8 829
9 1749

List of values

[0, 4, 10, 20, 40, 76, 177, 387, 829, 1749]

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

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