A083819 a(1) = 1, then the smallest k > 1 such that nk + 1 is the digit reversal of k + 1, or 0 if no such number exists.

1, 36, 27, 15, 18, 11385, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0

Offset

1,2

Links

Table of n, a(n) for n=1..100.

Example

a(2) = 36: 2*36 + 1 = 73, 37 = 36 + 1.
a(5) = 18: 18*5 + 1 = 91, 19 = 18 + 1.

Crossrefs

Cf. A083811, A083812, A083813, A083818.

Sequence in context: A074155 A126958 A070726 * A358173 A194941 A217405

Adjacent sequences: A083816 A083817 A083818 * A083820 A083821 A083822

Keyword

base,nonn

Author

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 08 2003

Extensions

Corrected and extended by Ray Chandler, Jun 23 2003

Status

approved