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A116338 n times n+5 gives the concatenation of two numbers m and m+7. 5
700, 777, 791, 868, 42338, 57658, 96884, 44121667, 55878329, 85298138, 36680703009575609347721358494, 63319296990424390652278641502, 69346342454876071597336150482, 81501115172242572470460459684 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

85298138 * 85298143 = 72757727//72757734, where // denotes

concatenation.

CROSSREFS

Cf. A116207, A116331, A116337, A116339, A116351.

Sequence in context: A028500 A133251 A243837 * A293203 A157366 A293279

Adjacent sequences:  A116335 A116336 A116337 * A116339 A116340 A116341

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified August 6 18:52 EDT 2020. Contains 336256 sequences. (Running on oeis4.)