A083826 Smallest k such that k+ 9*(A000042(n-1)*{n, mod 10) is digit reversal of k. A000042(n) = (10^n-1)/9.,a(10n) = 0.

12, 13, 14, 15, 16, 17, 18, 19, 90, 0, 100, 103, 104, 105, 106, 107, 108, 109, 900, 0, 1000

Offset

1,1

Links

Table of n, a(n) for n=1..21.

Example

a(13) = 104, 104 + 9*11*(13 mod 10) = 104 + 9*11*3 = 104 + 297 = 401.

Crossrefs

Sequence in context: A297146 A267761 A324322 * A343888 A331214 A364733

Adjacent sequences: A083823 A083824 A083825 * A083827 A083828 A083829

Keyword

base,easy,nonn,uned

Author

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 09 2003

Status

approved