A060317 a(n) = n * next number greater than n with same first digit as n.

10, 40, 90, 160, 250, 360, 490, 640, 810, 110, 132, 156, 182, 210, 240, 272, 306, 342, 1900, 420, 462, 506, 552, 600, 650, 702, 756, 812, 5800, 930, 992, 1056, 1122, 1190, 1260, 1332, 1406, 1482, 11700, 1640, 1722, 1806, 1892, 1980, 2070, 2162, 2256

Offset

1,1

Links

Table of n, a(n) for n=1..47.

Example

a(1)=10 because 1 * next number greater than 1 with same first digit is 10 which gives 10. a(11)=132 because 11 * next number greater than 11 with same first digit is 12 which gives 132.

Crossrefs

Cf. A060314.

Sequence in context: A217073 A210376 A359981 * A033583 A131037 A071233

Adjacent sequences: A060314 A060315 A060316 * A060318 A060319 A060320

Keyword

easy,nonn,base

Author

Jason Earls, Mar 28 2001

Status

approved