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A083274
Duplicate of A067913.
0
1, 28, 30, 52, 231, 277, 523, 2278, 22749, 48854, 371305, 1447522, 1726931, 1947729
OFFSET
1,2
CROSSREFS
Sequence in context: A046466 A374008 A054396 * A067913 A116566 A057483
KEYWORD
dead
STATUS
approved