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A091422 Write the natural numbers in binary, break the result up into blocks of 2 digits each and convert each block back into decimal. 0
3, 1, 3, 0, 2, 3, 2, 3, 3, 0, 1, 0, 3, 1, 1, 1, 3, 2, 1, 2, 3, 3, 1, 3, 3, 0, 0, 2, 0, 3, 0, 2, 2, 1, 3, 1, 0, 2, 2, 3, 1, 2, 2, 3, 3, 2, 0, 3, 0, 3, 2, 2, 3, 1, 3, 3, 0, 3, 2, 3, 3, 2, 3, 3, 3, 0, 0, 1, 0, 0, 3, 0, 1, 1, 0, 1, 3, 0, 2, 1, 0, 2, 3, 0, 3, 1, 0, 3, 3, 1, 0, 1, 1, 0, 3, 1, 1, 1, 1, 1, 3, 1, 2, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..105.

CROSSREFS

Sequence in context: A127172 A011087 A180021 * A201659 A253625 A244375

Adjacent sequences:  A091419 A091420 A091421 * A091423 A091424 A091425

KEYWORD

base,easy,nonn

AUTHOR

J. Taylor (integersfan(AT)yahoo.com), Mar 02 2004

STATUS

approved

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Last modified April 14 03:53 EDT 2021. Contains 342941 sequences. (Running on oeis4.)