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A032614 Concatenation of n and n + 9 or {n,n+9}. 2
110, 211, 312, 413, 514, 615, 716, 817, 918, 1019, 1120, 1221, 1322, 1423, 1524, 1625, 1726, 1827, 1928, 2029, 2130, 2231, 2332, 2433, 2534, 2635, 2736, 2837, 2938, 3039, 3140, 3241, 3342, 3443, 3544, 3645, 3746, 3847, 3948, 4049, 4150, 4251, 4352, 4453, 4554, 4655 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Tanya Khovanova, Non Recursions
MATHEMATICA
a[n_]:=n*10^Floor[Log10[n+9]+1]+n+9; Array[a, 46] (* Stefano Spezia, Sep 04 2023 *)
CROSSREFS
Sequence in context: A146081 A249838 A103652 * A120727 A251230 A264447
KEYWORD
nonn,base,easy
AUTHOR
Patrick De Geest, May 15 1998
EXTENSIONS
a(42)-a(46) from Stefano Spezia, Sep 04 2023
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)