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A115548 Numbers n such that the square of n is the concatenation of two numbers m and 7*m. 0
91304347826086956521739130434782608695652173913043478261, 121739130434782608695652173913043478260869565217391304348, 152173913043478260869565217391304347826086956521739130435, 182608695652173913043478260869565217391304347826086956522 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..4.

Tanya Khovanova, Non Recursions

CROSSREFS

Cf. A102567, A106497, A115527 - A115556.

Sequence in context: A115453 A095504 A115547 * A095506 A291354 A095508

Adjacent sequences:  A115545 A115546 A115547 * A115549 A115550 A115551

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Jan 25 2006

STATUS

approved

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Last modified January 16 17:26 EST 2021. Contains 340206 sequences. (Running on oeis4.)