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A306265 Terms in A323711 such that deleting any existing 9 or 0 digit in decimal notation does not result in a term of A323711. 1

%I #21 Feb 09 2019 11:10:48

%S 142857,285714,15623784,15843762,17438256,17562438,18243756,21584376,

%T 23784156,24375618,24381756,25617438,137965842,139657842,157836042,

%U 157836204,157839642,157840362,157842036,157860342,157862034,157963842,158379642,159637842,160357842

%N Terms in A323711 such that deleting any existing 9 or 0 digit in decimal notation does not result in a term of A323711.

%C Terms in A323711 can be generated by inserting 9's and 0's under certain conditions (see comment in A323711). These are the terms that are not formed this way and can be considered primitive terms of A323711. The first term containing the digit 0 is a(15) = 157836042 and the first term containing the digit 9 is a(13) = 137965842.

%C Terms in A323711 without the digits 0 and 9 are in the sequence.

%H Chai Wah Wu, <a href="/A306265/b306265.txt">Table of n, a(n) for n = 1..5845</a>

%e A323711(3) = 1402857. Deleting the digit 0 results in 142857 which is A323711(1). Similarly, deleting 0's and 9' from A323711(3)-A323711(20) results in another term of A323711 and a(3) = A323711(21).

%Y Cf. A323711.

%K nonn,base

%O 1,1

%A _Chai Wah Wu_, Feb 01 2019

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Last modified September 2 13:09 EDT 2024. Contains 375613 sequences. (Running on oeis4.)