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A134795
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Concatenation of first n positive oblong numbers.
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0
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2, 26, 2612, 261220, 26122030, 2612203042, 261220304256, 26122030425672, 2612203042567290, 2612203042567290110, 2612203042567290110132, 2612203042567290110132156, 2612203042567290110132156182
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OFFSET
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1,1
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COMMENTS
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Oblong numbers are also called promic, pronic or heteromecic (numbers).
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LINKS
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MATHEMATICA
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Module[{nn=20, c}, c=2*Accumulate[Range[nn]]; Table[FromDigits[ Flatten[ IntegerDigits/@ Take[c, n]]], {n, nn}]] (* Harvey P. Dale, Sep 06 2015 *)
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CROSSREFS
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KEYWORD
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base,easy,nonn
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AUTHOR
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STATUS
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approved
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