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 A069026 Smallest power of 4 with digit sum n, or 0 if no such number exists. 0
 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; refs; listen; history; text; internal format)
 OFFSET 1,4 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 LINKS CROSSREFS Cf. A069025. Sequence in context: A049207 A092219 A262227 * A133851 A062685 A192016 Adjacent sequences:  A069023 A069024 A069025 * A069027 A069028 A069029 KEYWORD nonn,base AUTHOR Amarnath Murthy, Apr 02 2002 EXTENSIONS More terms from Larry Reeves (larryr(AT)acm.org), Dec 21 2002 STATUS approved

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Last modified December 11 22:41 EST 2018. Contains 318052 sequences. (Running on oeis4.)