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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..19.

CROSSREFS

Sequence in context: A298566 A090756 A038351 * A004615 A327346 A030430

Adjacent sequences:  A068868 A068869 A068870 * A068872 A068873 A068874

KEYWORD

dead

STATUS

approved

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Last modified January 15 18:16 EST 2021. Contains 340188 sequences. (Running on oeis4.)