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A263621 Appears to be an erroneous version of A263620. 0
3, 6, 13, 19, 30, 36 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..6.

G. J. Simmons, Palindromic powers, J. Rec. Math., 3 (No. 2, 1970), 93-98. [Annotated scanned copy] See page 95.

CROSSREFS

Sequence in context: A075651 A091277 A136484 * A137039 A137035 A137042

Adjacent sequences:  A263618 A263619 A263620 * A263622 A263623 A263624

KEYWORD

dead

AUTHOR

N. J. A. Sloane, Oct 23 2015

STATUS

approved

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Last modified October 1 09:13 EDT 2022. Contains 357140 sequences. (Running on oeis4.)