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A101682 Expansion of 2 - exp(-1 + sqrt(1-4x)). +0
2
1, 2, 0, 8, 80, 1152, 21056, 467840, 12248064, 369313280, 12605643776, 480491716608, 20231074672640, 932551401807872, 46708494389084160, 2525988902617776128, 146694190329387352064, 9105143756032486932480 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Cf. A000806.

Adjacent sequences: A101679 A101680 A101681 this_sequence A101683 A101684 A101685

Sequence in context: A013489 A013342 A109589 this_sequence A033836 A009099 A091041

KEYWORD

nonn

AUTHOR

Ralf Stephan, Dec 13 2004

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.

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