A115898 Numbers k such that sigma(k) + prime(k) is a palindrome.

1, 2, 3, 13, 17, 36, 56, 78, 80, 83, 86, 119, 135, 178, 185, 226, 227, 235, 378, 422, 443, 579, 629, 651, 910, 1230, 1277, 1331, 1344, 1432, 1644, 1734, 1740, 1758, 1772, 1794, 1827, 1847, 1973, 2021, 2730, 2874, 2878, 2979, 2981, 3169, 3229

Offset

1,2

Links

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

Example

sigma(1344) + prime(1344) = 4064 + 11087 = 15151.

Crossrefs

Cf. A115895, A115899.

Sequence in context: A215382 A144759 A215359 * A215350 A118134 A215386

Adjacent sequences: A115895 A115896 A115897 * A115899 A115900 A115901

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved