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A055949 n - reversal of base 4 digits of n (written in base 10). +0
1
0, 0, 0, 0, 3, 0, -3, -6, 6, 3, 0, -3, 9, 6, 3, 0, 15, 0, -15, -30, 15, 0, -15, -30, 15, 0, -15, -30, 15, 0, -15, -30, 30, 15, 0, -15, 30, 15, 0, -15, 30, 15, 0, -15, 30, 15, 0, -15, 45, 30, 15, 0, 45, 30, 15, 0, 45, 30, 15, 0, 45, 30, 15, 0, 63, 0, -63, -126, 51, -12, -75, -138, 39, -24, -87, -150, 27, -36, -99, -162, 75, 12, -51 (list; graph; listen)
OFFSET

0,5

COMMENT

a(n) is a multiple of 3

FORMULA

a(n) =n-A030103(n)

CROSSREFS

Cf. A056965.

Sequence in context: A011076 A010599 A038517 this_sequence A165012 A074694 A127803

Adjacent sequences: A055946 A055947 A055948 this_sequence A055950 A055951 A055952

KEYWORD

base,sign

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), Jul 18 2000

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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