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Search: id:A161208
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A161208 a(n) = (A161206(n+1)-1)/2. +0
2
0, 1, 3, 6, 10, 15, 21, 28, 34, 40, 49, 61, 76, 91, 105, 120, 130, 136 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Cf. A161206, A161207, A161209.

Sequence in context: A130486 A054636 A124158 this_sequence A109444 A124157 A033440

Adjacent sequences: A161205 A161206 A161207 this_sequence A161209 A161210 A161211

KEYWORD

more,nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Jun 08 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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