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A077491 a(n) = smallest k such that 2k has digit sum = n. 1
5, 1, 6, 2, 7, 3, 8, 4, 9, 14, 19, 24, 29, 34, 39, 44, 49, 99, 149, 199, 249, 299, 349, 399, 449, 499, 999, 1499, 1999, 2499, 2999, 3499, 3999, 4499, 4999, 9999, 14999, 19999, 24999, 29999, 34999, 39999, 44999, 49999, 99999, 149999, 199999, 249999, 299999 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

A069532(n)/2.

CROSSREFS

Cf. A069532, A069534.

Sequence in context: A064265 A180595 A088401 * A086231 A201419 A163336

Adjacent sequences:  A077488 A077489 A077490 * A077492 A077493 A077494

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 07 2002

EXTENSIONS

More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Jul 28 2003

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.