[seqfan] Re: Is A109924 correct?

[Klaus Brockhaus]

Am 18.06.2011 07:39, schrieb Lars Blomberg:
> A109924 is defined as a(n)="Least palindromic multiple of concatenation 123...n"
> with the comment "Leading zeros are allowed (but are not shown)".
>
> An example of suppressed leading zeros is
> a(10) = 12345678910*10971041 = 135444,949494,445310
>
> But by the same rule shouldn't we have
> a(2) = 12*5 = 60 not 12*21 = 252
> a(5) = 12345*3034 = 37,454730 not 12345*43483 = 536,797635
> a(6) = 123456*37315 = 4606,760640 not  123456*50061 = 6180,330816
> ?
>
> /Lars B
>

Your examples have trailing zeros, not leading zeros.

KB