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A069026 Smallest power of 4 with digit sum n, or 0 if no such number exists. +0
1
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 (list; graph; listen)
OFFSET

1,4

COMMENT

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.

Adjacent sequences: A069023 A069024 A069025 this_sequence A069027 A069028 A069029

Sequence in context: A035539 A049207 A092219 this_sequence A133851 A062685 A028699

KEYWORD

nonn,base

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 02 2002

EXTENSIONS

More terms from Larry Reeves (larryr(AT)acm.org), Dec 21 2002

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Last modified October 12 13:44 EDT 2008. Contains 144830 sequences.


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