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A089561 Concatenations arising in A089560. 1
1, 31, 431, 5431, 75431, 1475431, 91475431, 691475431, 57691475431, 1357691475431, 181357691475431, 17181357691475431, 1617181357691475431, 121617181357691475431, 20121617181357691475431 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..15.

CROSSREFS

Cf. A089710, A089711, A089560-A089573.

Sequence in context: A068658 A068672 A274202 * A134072 A134071 A278964

Adjacent sequences:  A089558 A089559 A089560 * A089562 A089563 A089564

KEYWORD

base,nonn

AUTHOR

Ray Chandler, Nov 22 2003

STATUS

approved

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Last modified April 23 09:35 EDT 2019. Contains 322385 sequences. (Running on oeis4.)