A071813 Least m such that reverse(sigma(m)) = sigma(m+n).

5602, 1426, 20, 15210, 15, 14, 9, 32494, 35, 22, 15, 14, 338317, 2145, 46054, 9, 1705, 23, 16611, 1238042, 562, 233, 1771, 8063, 1605, 15, 14, 261892, 2201, 35, 36339, 18, 293, 96, 33849, 47, 146781, 3104, 166, 31666, 426, 31119, 20262, 2101, 2820, 205

Offset

1,1

Links

Table of n, a(n) for n=1..46.

Example

a(4)=15210 because sigma(15210) = 42822 and sigma(15210+4) = 22824.

Crossrefs

Cf. A000203.

Sequence in context: A065698 A109565 A126784 * A074242 A032737 A237507

Adjacent sequences: A071810 A071811 A071812 * A071814 A071815 A071816

Keyword

nonn

Author

Jason Earls, Jun 07 2002

Status

approved