A162704 Numbers that are the sum of two reversed consecutive primes.

5, 8, 12, 18, 42, 48, 54, 86, 87, 92, 93, 102, 105, 108, 109, 111, 123, 124, 130, 134, 135, 136, 162, 177, 180, 246, 258, 282, 294, 303, 372, 402, 426, 434, 450, 456, 468, 470, 492, 504, 528, 542, 564, 576, 582, 588, 774, 812, 816, 828, 846, 852, 862, 866

Offset: 1

Author

Claudio Meller, Jul 11 2009

Keywords

• nonn
• base

Comments

Subsequence of A162706.

Numbers of the form A004087(j)+A004087(j+1), any j. - R. J. Mathar, Jul 11 2009

Examples

			109 is in the list because it is the sum of R(47)+R(53)=74+35=109.
		

Crossrefs

Cf. A004087, A162706.

Programs

Mathematica

Take[Union[Total[IntegerReverse[#]]&/@Partition[Prime[Range[500]],2,1]],100] (* The program is not suitable for more than 100 or so terms. *) (* Harvey P. Dale, Apr 26 2022 *)

Extensions

4 removed, keyword:base added by R. J. Mathar, Jul 13 2009