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A169693
A169690 union A169691.
4
1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 18, 20, 21, 29, 32, 33, 34, 47, 52, 54, 55, 76, 84, 87, 88, 89, 123, 136, 141, 143, 144, 199, 220, 228, 231, 232, 233, 322, 356, 369, 374, 376, 377, 521, 576, 597, 605, 608, 609, 610, 843, 932, 966, 979, 984, 986, 987, 1364, 1508, 1563, 1584
OFFSET
1,2
CROSSREFS
Sequence in context: A054021 A066191 A166159 * A180121 A331418 A062890
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Apr 14 2010
STATUS
approved