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Search: id:A055958
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A055958 n + reversal of base 9 digits of n (written in base 10). +0
1
0, 2, 4, 6, 8, 10, 12, 14, 16, 10, 20, 30, 40, 50, 60, 70, 80, 90, 20, 30, 40, 50, 60, 70, 80, 90, 100, 30, 40, 50, 60, 70, 80, 90, 100, 110, 40, 50, 60, 70, 80, 90, 100, 110, 120, 50, 60, 70, 80, 90, 100, 110, 120, 130, 60, 70, 80, 90, 100, 110, 120, 130, 140, 70, 80, 90 (list; graph; listen)
OFFSET

0,2

COMMENT

If n has an even number of digits in base 9 then a(n) is a multiple of 10

FORMULA

a(n) =n+A030108(n)

CROSSREFS

Cf. A056964.

Sequence in context: A055954 A055956 A076428 this_sequence A069816 A088116 A100817

Adjacent sequences: A055955 A055956 A055957 this_sequence A055959 A055960 A055961

KEYWORD

base,nonn

AUTHOR

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

page 1

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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