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A087075 Multiples of 7 with digits grouped in pairs and leading zeros omitted. 8

%I #9 Mar 20 2015 03:28:14

%S 71,42,12,83,54,24,95,66,37,7,78,49,19,81,5,11,21,19,12,61,33,14,1,47,

%T 15,41,61,16,81,75,18,21,89,19,62,3,21,2,17,22,42,31,23,82,45,25,22,

%U 59,26,62,73,28,2,87,29,43,1,30,83,15,32,23,29,33,63,43,35,3,57,36,43,71

%N Multiples of 7 with digits grouped in pairs and leading zeros omitted.

%t FromDigits /@ Partition[ Flatten[ IntegerDigits[ Table[ 7n, {n, 1, 60}]]], 2] (* _Robert G. Wilson v_ *)

%t (IntegerDigits/@(7 Range[16]))//peek//Flatten//Partition[ #, 2]&// Map[FromDigits, # ]& (* _Ken Levasseur_ *)

%Y Cf. A008589, A059805, A087406, A060936, A087407, A087408, A087409, A087410, A087411.

%K nonn,base,easy

%O 1,1

%A _N. J. A. Sloane_, Oct 19 2003

%E More terms from _Ray Chandler_, Oct 20 2003

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Last modified March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)