1,1

Table of n, a(n) for n=1..55.

L. Stevens, Prime ensembles

17 is in the sequence because the sum of the digits (8) is a composite number. 449 is in the sequence because the sum of the digits (17) is another prime soloist.

Cf. A119890, A119891, A119892.

Sequence in context: A042589 A218364 A107922 * A038956 A309291 A343123

Adjacent sequences: A119886 A119887 A119888 * A119890 A119891 A119892

base,nonn

Luc Stevens (lms022(AT)yahoo.com), May 27 2006

Corrected by T. D. Noe, Oct 25 2006

approved