cp's OEIS Frontend

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.

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A069026 Smallest power of 4 with digit sum n, or 0 if no such number exists.

Original entry on oeis.org

1, 0, 0, 4, 0, 0, 16, 0, 0, 64, 0, 0, 256, 0, 0, 0, 0, 0, 4096, 0, 0, 16384, 0, 0, 65536, 0, 0, 0, 0, 0, 1048576, 0, 0, 0, 0, 0, 16777216, 0, 0, 67108864, 0, 0, 268435456, 0, 0, 4398046511104, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4294967296, 0, 0, 17179869184, 0, 0
Offset: 1

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Author

Amarnath Murthy, Apr 02 2002

Keywords

Comments

a(3k)=0. If any other zero terms are really nonzero, their value is greater than 4^31. - Larry Reeves (larryr(AT)acm.org), Dec 21 2002

Crossrefs

Cf. A069025.

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), Dec 21 2002
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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