AUTHOR
_Giovanni Resta (g.resta(AT)iit.cnr.it), _, Feb 06 2006
_Giovanni Resta (g.resta(AT)iit.cnr.it), _, Feb 06 2006
n times n+7 gives the concatenation of a number m with itself.
4, 94, 455, 539, 994, 7665, 9994, 72721, 99994, 356429, 643565, 999994, 9090910, 9999994, 35294118, 64705876, 99999994, 335664329, 664335665, 684210520, 818181819, 838056674, 846153847, 866028702, 980125139, 999999994
1,1
nonn,base
Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 06 2006
approved