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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.

A139410 Numbers n such that n = 4^d_1 + 4^d_2 + ... + 4^d_k where d_1d_2...d_k is the decimal expansion of n.

Table of values

n	a(n)
1	4624
2	595968

List of values

[4624, 595968]

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

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