A090922 Least multiple of n such that the n-th concatenation is a multiple of n+1.

2, 4, 12, 20, 10, 36, 56, 40, 90, 20, 88, 192, 182, 70, 240, 64, 170, 396, 380, 100, 168, 594, 552, 600, 350, 208, 108, 588, 870, 510, 496, 800, 462, 1190, 700, 144, 2146, 152, 1560, 760, 2624, 2730, 516, 1320, 180, 138, 2256, 3024, 2450, 1150, 1020, 1872, 636

Offset

1,1

Links

Table of n, a(n) for n=1..53.

Example

24122010 is a multiple of 6.

Crossrefs

Sequence in context: A024872 A129021 A290440 * A056228 A166869 A168380

Adjacent sequences: A090919 A090920 A090921 * A090923 A090924 A090925

Keyword

base,nonn

Author

Amarnath Murthy, Dec 19 2003

Extensions

More terms from Weston Markham (weston.markham(AT)gmail.com), May 22 2005

More terms from David Wasserman, Feb 15 2006

Status

approved