A062931 Numbers k that, when expressed in base 5 and then interpreted in base 9, give a multiple of k.

0, 1, 2, 3, 4, 28, 30, 58, 60, 88, 90, 118, 120, 168, 179, 180, 348, 359, 360, 840, 895, 900, 1740, 1795, 1800, 5370, 5400, 11726, 11984, 16200, 21142, 26850, 27000, 38340, 57574, 137128, 183960, 214207, 293628, 421560, 750288, 866700, 1043027, 1304280, 1468140

Offset: 1

Author

Erich Friedman, Jul 21 2001

Keywords

• base
• nonn

Examples

			28 in base 5 is 103, which interpreted in base 9 is 84 = 3*28.
		

Crossrefs

Cf. A062845, A062846, A062847, A062848, A062849, A062850, A062853, A062864, A062865, A062884, A062889, A062891, A062920, A062921, A062922, A062923, A062925, A062928, A062929, A062930, A062934, A062937, A062939, A062942, A062943, A062944.

Programs

Mathematica

Join[{0},Select[Range[11*10^5],Divisible[FromDigits[ IntegerDigits[ #,5],9],#]&]] (* Harvey P. Dale, Apr 27 2015 *)

Extensions

More terms from Naohiro Nomoto, Aug 06 2001

Offset changed to 1 by Georg Fischer, Mar 13 2023