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A069119 Numbers n such that n!*sum(i=1,n,1/i/2^i)) is an integer. 0
3, 7, 15, 23, 31, 47, 63, 79, 87, 95, 127, 143, 151, 159, 186, 191, 215, 223, 255, 271, 279, 287, 319, 343, 351, 383, 415, 447, 471, 511, 527, 535, 543, 575, 599, 607, 639, 671, 698, 703, 727, 767, 799, 831, 895, 959, 964, 1023, 1039, 1047, 1055, 1087, 1111 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..53.

CROSSREFS

Sequence in context: A165469 A160160 A192122 * A187220 A067317 A141354

Adjacent sequences:  A069116 A069117 A069118 * A069120 A069121 A069122

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre, Apr 07 2002

STATUS

approved

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Last modified May 25 06:53 EDT 2013. Contains 225646 sequences.