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A073077 Numbers n such that n divides C(2n,n) and C(4n,2n). 0
1, 2, 20, 110, 156, 210, 220, 238, 240, 312, 460, 468, 483, 510, 561, 600, 624, 665, 684, 696, 720, 744, 770, 806, 812, 816, 868, 936, 966, 1001, 1012, 1045, 1064, 1100, 1110, 1122, 1144, 1155, 1170, 1200 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A052361 A001884 A028477 * A069537 A001797 A084894

Adjacent sequences:  A073074 A073075 A073076 * A073078 A073079 A073080

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 17 2002

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Last modified February 14 18:47 EST 2012. Contains 205663 sequences.