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A039005 Numbers whose base-4 representation has the same number of 1's and 3's. 2
0, 2, 7, 8, 10, 13, 19, 27, 28, 30, 32, 34, 39, 40, 42, 45, 49, 52, 54, 57, 67, 75, 76, 78, 95, 99, 107, 108, 110, 112, 114, 119, 120, 122, 125, 128, 130, 135, 136, 138, 141, 147, 155, 156, 158, 160, 162, 167, 168, 170, 173, 177, 180, 182, 185, 193, 196, 198 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

CROSSREFS

Cf. A007090, A160381, A160383.

Cf. A004171 (subsequence).

Sequence in context: A199004 A168064 A243167 * A022431 A047525 A075766

Adjacent sequences:  A039002 A039003 A039004 * A039006 A039007 A039008

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified July 29 09:31 EDT 2021. Contains 346344 sequences. (Running on oeis4.)