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A091053
Where records occur in A091023.
2
1, 2, 3, 6, 9, 21, 33, 78, 129, 309
OFFSET
1,2
CROSSREFS
Sequence in context: A065536 A351261 A191469 * A095064 A323144 A056353
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Feb 23 2004
STATUS
approved