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A116308
Numbers k such that k*(k+2) is the concatenation of two numbers m and m+3.
5
452, 547, 690, 855, 4381, 5618, 72729, 346532, 653467, 9090907, 94117645, 334665332, 336032386, 378253327, 390977441, 439928490, 483516485, 516483514, 560071509, 609022558, 621746672, 663967613, 665334667
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..23.
CROSSREFS
Cf.
A116177
,
A116295
,
A116307
,
A116309
,
A116315
.
Sequence in context:
A224560
A224568
A224561
*
A183636
A222823
A205209
Adjacent sequences:
A116305
A116306
A116307
*
A116309
A116310
A116311
KEYWORD
nonn
,
base
AUTHOR
Giovanni Resta
, Feb 06 2006
STATUS
approved
