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A115538 Numbers k such that k^2 is the concatenation of two numbers 4*m and m. 0
84210526316, 105263157895, 126315789474, 147368421053, 168421052632, 189473684211, 114285714285714286, 171428571428571429, 7058823529411764705882352941176470588235294117647059 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

84210526316^2 = 70914127424_17728531856.

CROSSREFS

Cf. A102567, A106497, A115527 - A115556.

Sequence in context: A172716 A209598 A233608 * A283074 A233600 A164727

Adjacent sequences:  A115535 A115536 A115537 * A115539 A115540 A115541

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Jan 25 2006

EXTENSIONS

Definition modified by Georg Fischer, Jul 26 2019

STATUS

approved

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Last modified June 27 23:35 EDT 2022. Contains 354903 sequences. (Running on oeis4.)