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A067685 Numbers n such that sigma(4n+1)=6n. 0
1, 8, 65, 96, 224, 560, 6734, 11648, 3588320, 67969536, 290575208, 1629860960, 4758938912, 10769110400 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A034376 A067215 A202783 * A009373 A033118 A033126

Adjacent sequences:  A067682 A067683 A067684 * A067686 A067687 A067688

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 04 2002

EXTENSIONS

a(9)-a(14) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Feb 01 2009

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Last modified February 16 15:50 EST 2012. Contains 205931 sequences.