

A116168


Numbers n such that n concatenated with n+1 gives the product of two numbers which differ by 8.


9



19, 32, 16284704, 35576083, 15764836187996024260119639732979, 19807200907254352332962649366152, 20298517078413563250826300137112, 30190765850423053042937262322867, 30796637697589506772859224996627
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,1


COMMENTS

Also numbers n such that n concatenated with n+8 gives the product of two numbers which differ by 6.


LINKS

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


EXAMPLE

35576083//35576084 = 59645686 * 59645694, where // denotes concatenation.
35576083//35576091 = 59645687 * 59645693.


CROSSREFS

Cf. A116161, A116167, A116169, A116174, A116299.
Cf. A116208, A115430, A116215, A116345.
Sequence in context: A101063 A061962 A272910 * A152088 A106527 A223608
Adjacent sequences: A116165 A116166 A116167 * A116169 A116170 A116171


KEYWORD

nonn,base


AUTHOR

Giovanni Resta, Feb 06 2006


EXTENSIONS

Edited by N. J. A. Sloane, Apr 15 2007


STATUS

approved



