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A068871
Duplicate of A004615.
0
1, 11, 31, 41, 61, 71, 101, 121, 131, 151, 181, 191, 211, 241, 251, 271, 281, 311, 331
OFFSET
1,2
CROSSREFS
Sequence in context: A298566 A090756 A038351 * A004615 A327346 A030430
KEYWORD
dead
STATUS
approved