[seqfan] Re: A008829 consecutive sequences of digits of pi

Sean A. Irvine sairvin at gmail.com
Sat Apr 7 21:47:14 CEST 2018


Agreed. I've updated the entry accordingly.


On 7 April 2018 at 13:54, <rgwv at rgwv.com> wrote:

> I get: {1, 4, 15, 92, 653, 5897, 9323, 84626, 433832, 795028, 841971,
> 6939937, 51058209, 74944592, 307816406, 2862089986, 28034825342,
> 1170679821480, 8651328230664, 70938446095505, 82231725359408,
> 128481117450284, 1027019385211055, 59644622948954930, 381964428810975665,
> 933446128475648233, 7867831652712019091, 45648566923460348610,
> 454326648213393607260, 2491412737245870066063, 15588174881520920962829,
> 2540917153643678925903600, 11330530548820466521384146,
> 95194151160943305727036575, 95919530921861173819326117,
> 931051185480744623799627495, 6735188575272489122793818301,
> 19491298336733624406566430860, 21394946395224737190702179860,
> 94370277053921717629317675238, 467481846766940513200056812714,
> 526356082778577134275778960917, 3637178721468440901224953430146,
> 5495853710507922796892589235420, 19956112129021960864034418159813,
> 62977477130996051870721134999999, 83729780499510597317328160963185,
> 95024459455346908302642522308253, 344685035261931188171010003137838,
> 752886587533208381420617177669147}
> Bob.
>
> -----Original Message-----
> From: SeqFan <seqfan-bounces at list.seqfan.eu> On Behalf Of Sean A. Irvine
> Sent: Friday, 6 April, 2018 4:33 PM
> To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
> Subject: [seqfan] A008829 consecutive sequences of digits of pi
>
> Are there some strange unspecified rules for A008829?
>
> Why is a(18) = 1170679821480 rather than 117067982148 ?
>
> I can see it is possibly to avoid having the next number start with 0.
>
> Even allowing for this special zero handling, there is still a problem.
>
> Why is a(19) = 865132823066470 rather than 8651328230664 ?
>
> Sean.
>
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