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

71, 42, 12, 83, 54, 24, 95, 66, 37, 7, 78, 49, 19, 81, 5, 11, 21, 19, 12, 61, 33, 14, 1, 47, 15, 41, 61, 16, 81, 75, 18, 21, 89, 19, 62, 3, 21, 2, 17, 22, 42, 31, 23, 82, 45, 25, 22, 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

Offset: 1

Author

N. J. A. Sloane, Oct 19 2003

Keywords

• nonn
• base
• easy

Crossrefs

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

Programs

Mathematica

FromDigits /@ Partition[ Flatten[ IntegerDigits[ Table[ 7n, {n, 1, 60}]]], 2] (* Robert G. Wilson v *)
(IntegerDigits/@(7 Range[16]))//peek//Flatten//Partition[ #, 2]&// Map[FromDigits, # ]& (* Ken Levasseur *)

Extensions

More terms from Ray Chandler, Oct 20 2003