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A068379 Engel expansion of sinh(1/2). +0
1
1, 24, 80, 168, 288, 440, 624, 840, 1088, 1368, 1680, 2024, 2400, 2808, 3248, 3720, 4224, 4760, 5328, 5928, 6560, 7224, 7920, 8648, 9408, 10200, 11024, 11880, 12768, 13688, 14640, 15624, 16640, 17688, 18768, 19880, 21024, 22200, 23408, 24648 (list; graph; listen)
OFFSET

0,2

COMMENT

Cf. A006784 for Engel expansion definition

FORMULA

a(0)=1 a(n)=4*n*(4n+2)

CROSSREFS

Sequence in context: A048352 A124140 A114818 this_sequence A060673 A030622 A063456

Adjacent sequences: A068376 A068377 A068378 this_sequence A068380 A068381 A068382

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 03 2002

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.


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